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THE STEWART PROJECT
British Columbia, Canada
 Photos Stewart-
- Maps Stewart
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SUMMARY
The Stewart Property ("Property") is an early to mid-stage exploration property owned by Emgold Mining Corporation ("Emgold"). It is located seven kilometres north of the town of Salmo, in southeastern British Columbia. The Property consists of 28 contiguous mineral tenures (claims) covering 5,789 hectares, all of which are 100% owned by Emgold Mining Corporation.
The Stewart Property is located west of Altair Ventures/Sutlan Mineral's Kena Property and Duncastle Gold's Yankee Dundee Property. Sultan Minerals reports that the Kena Property a gold resource of 541,000 measured and indicated ounces of gold (24.9 million tonnes at 0.68 gram per tonne gold) and an inferred resource of 557,000 ounces of gold (25.8 million tonnes at 0.67 gram per tonne gold) (see NI 43-101 compliant technical report at sedar.com). Duncastle Gold reports that the Yankee Dundee Property hosts a number of historic gold mines, the largest of which was the Yankee Girl, where a reported 375,000 short tons of ore was mined on 14 levels between 1907 and 1951). Note that the presence of the resource on the Kena Property and the presence of historic mines in the area do not imply that similar results will be achieved at the Stewart Property. However, geological mapping of the various properties does show similar geologic structures that overlap on the properties.
The Stewart Property contains a number of gold, molybdenum, tungsten and silver-lead-zinc prospects that have been discovered by historic and recent exploration activity. The property has been assessed by various operators since 1940's exploring for various types of mineralization. A significant amount of historic data is available from those programs for use in guiding current exploration efforts.
Exploration, to date, has included geological mapping, geochemical sampling, geophysics, trenching, and diamond drilling. This work has identified four key exploration targets. The targets include:
- The Stewart Moly Zone
- The Arrow Tungsten Zone
- The Craigtown Creek Gold Zone
- The Free Silver Zone
Stewart Moly Zone
Diamond drilling in the Stewart Moly Zone to date has included 47 holes totaling 6,115 metres, most of which tested the high grade central zone (breccia), but also included several holes to test peripheral low grade potential. Significant high grade molybdenum results (key intersections with average grades > 0.5% MoS2) include:
- Hole 80-3 that returned 0.781% MoS2 over 25.0 metres (2.0 metres to 27.0 metres)
- Hole 81-1 that returned 0.591% MoS2 over 3.0 metres (39.1 metres to 42.1 metres)
- Hole 81-3 that returned 0.820% MoS2 over 2.0 metres (5.6 metres to 7.6 metres)
- Hole 81-4 that returned 0.780% MoS2 over 3.0 metres (13.2 metres to 17.2 metres)
- Hole 81-6 that returned returned 0.901% MoS2 over 1.0 metres (53.0 metres to 54.0 metres)
- Hole 81-8 that returned 0.542 MoS2 over 3.0 metres (61.0 metres to 64.0 metres)
- Hole SM0505 that returned 0.597% MoS2 over 35.9 metres (37.9 metres to 73.8 metres)
Significant low grade molybdenum results (key intersections with average grades of >0.1% MoS2 over significant width of greater than 10 meters) include:
- Hole 80-3 that returned 0.391% MoS2 over 52.0 metres (2.0 metres to 54.0 metres)
- Hole 81-1 that returned 0.201% MoS2 over 26.0 metres (28.1 metres to 54.1 metres)
- Hole 81-3 that returned 0.116% MoS2 over 49.0 metres (0.6 metres to 49.6 metres)
- Hole 81-7 that returned 0.111% MoS2 over 30.0 metres (45.0 metres to 75.0 metres)
- Hole 81-9 that returned 0.331% MoS2 over 70.0 metres (58.0 metres to 128.0 metres)
- Hole 81-11 that returned 0.219% MoS2 over 24.0 metres (74.0 metres to 98.0 metres)
- Hole SM0501 that returned 0.110% MoS2 over 60.4.0 metres (46.7 metres to 107.1 metres)
- Hole SM0502 that returned 0.130% MoS2 over 26.3 metres (0.0 metres to 26.3 metres)
- Hole SM0504 that returned 0.118% MoS2 over 13.1 metres (0.0 metres to 13.1 metres)
- Hole SM0505 that returned 0.313% MoS2 over 75.3 metres (0.0 metres to 75.3 metres)
- Hole SM1106 that returned 0.198% MoS2 over 58.7 metres (47.3-105.9 metres)
Other potential byproduct metals, including gold and rhenium, have been identified that may play a role in the economics of the Stewart Moly Zone. Rhenium is a rare element used with platinum as catalysts in the production of lead-free, high-octane gasoline. The metal is used in alloys for jet engines and in tungsten and molybdenum based alloys. Nickel based super-alloys for use in jet engines contain up to 6 percent rhenium, making jet engine construction the largest use for the element, with chemical industry catalytic uses being the next most important. It is widely used as filaments for mass spectrographs. Rhenium is also used as an electrical contact material. Because of low availability relative to demand, rhenium is among the most expensive industrial metals. The average rhenium North American Spot Metal Price (99.9% Re) on January 1, 2012 was US$4,359.64 per kilogram (source metalprices.com).
Significant rhenium results (key intersections with average grades > 1,000 parts per billon) include:
- Hole SM1106 that returned 1,060 ppb Re over 1.48 metres (14.02 to 15.50 metres), 1,031 ppb Re over 1.79 metres (61.00 to 62.79 metres), 1,160 ppb Re over 2.07 metres (74.98 to 77.05 metres), 1,240 ppb Re over 2.40 metres (81.50 to 83.90 metres), 1,418 ppb Re over 0.9 metres (103.00 to 103.90 metres), and 1,653 ppb Re over 1.61 metres (189.49 to 191.1 metres)
- Hole SM1107 that returned 1,009 ppb Re over 1.50 metres (1.83 to 3.33 metres) and 1,751 ppb Re over 0.60 metres (17.67 to18.27 metres)
- Hole SM1114 that returned 1,412 ppb Re over 1.2 metres (43.30 to 44.50 metres)
- Hole SM1117 that returned 2,204 ppb Re over 1.03 metres (163.17 to164. 2 metres) and 1,197 ppb Re over 1.41 metres (177.20 to 178.61 metres)
- Hole SM1118 returned 1,566 ppb Re over 1.87 metres (29.40 to31.27 metres)
Note that 1 part per million equals 1 gram per tonne. Only limited rhenium sampling has been done to date on the Stewart Moly Zone to initially determine the presence of the metal.
Significant gold results (key intersections with average grades > 1 gram per tonne gold) include:
- Hole SM1101 that returned 1.15 grams per tonne Au over 1.56 metres (129.84 to 131.40 metres)
- Hole SM1105 that returned 2.21 grams per tonne Au over 4.0 metres (32.50 to 36.50 metres)
- Hole SM1108 that returned 1.27 grams per tonne Au over 1.34 metres (34.32 to35.66 metres)
- Hole SM1110 that returned 1.65 grams per tonne Au over 1.82 metres (12.8 to 14.62 metres)
- Hole SM1112 that returned 7.10 grams per tonne Au over 0.21 metres (132.76 to132.97 metres)
- Hole SM1114 that returned 1.65 grams per tonne Au over 1.30 metre (76.30 to 77.60 metres)
Only limited gold sampling has been done on the Stewart Moly Zone based on core visually selected by geologists logging core on gold bearing vein structures.
Arrow Tungsten Zone
Diamond drilling in the Arrow Tungsten Zone to date has included 30 holes totaling 3,338.5 metres. Significant tungsten results (key intersections with average grades > 0.5% W) include:
- Hole STW0703 that returned 0.909% WO3 over 3.05 metres (63.09 to 66.14 metres)
- Hole STW0715 that returned 0.643% WO3 over 1.29 metres (44.73 to46.02 metres)
- Hole STW0716 that returned 0.584% WO3 over 1.42 metres (39.67 to 41.09 metres) and 0.759% WO3 over 1.58 metres (41.09 to 42.67 metres)
- Hole STW0730 that returned 1.261% WO3 over 1.00 metre (10.66 to11.66 metres)
Craigtown Creek Gold Zone
Limited Diamond drilling in the Craigtown Creek Gold Zone to date has included 10 holes totaling 923.8 metres. Several intercepts returned elevated gold values (0.12 to 0.43 g/t over width less of 2 metres or less).
- Hole DEN932 returned 1.9 grams per tonne Au over 2.0 metres (21.0 to 23.0 metres)
- Hole DEN934 returned 24.8 g/t Au over a 1.0 metre (39.0 to 40.0 metres)
Free Silver Zone
No drilling has been done in the Free Silver Zone to date. Work has been limited to hand sampling and trenching.
Detailed information on the drill results above is outlined below. Emgold's exploration efforts are currently focused on exploration of the Stewart Moly Zone, with the goal of ultimately delineating an NI 43-101 compliant mineral resource. In addition, Emgold is evaluating potential for tungsten, gold, and silver deposits on the property.
LOCATION AND OWNERSHIP
The Stewart Property is located seven kilometres north of Salmo and west of Ymir, in southeastern British Columbia. The Property is centered on Latitude 49º17'N and Longitude 117º16'W within map sheets 82F/024 and 82F/034. Access to the property is either via the Erie Creek Road, four kilometres west of Salmo on Highway 3, or by the Stewart Creek Road, four kilometres north of Ymir on Highway 6.
The property consists of 28 contiguous mineral tenures (claims) covering 5,789 hectares, all of which are 100% owned by Emgold Mining Corporation.
HISTORIC EXPLORATION BY OTHERS
As a poly-metallic property, Stewart has been explored by a number of companies over the years looking for various metals. Exploration activity on the property reportedly goes back to the late 1800's. In general most of the work was focused on exploring for tungsten and base metals from the 1940's through the 1960's. A relatively minor amount of gold exploration was completed in the late 1980's and 1990's. Emgold's assessments have considered all of those metals in the 2000's.
Reportedly, Premier Gold Mining Company (1942) conducted the initial exploration of Stewart on the Arrow Tungsten prospect. Tungsten mineralization was identified along a 300 meter strike length, with samples up to a few feet wide showing grades reported to be over one percent WO3. This was the first recorded work on the Stewart Property, but Emgold has no reports from it.
Copper Horn Mining Limited (1967) explored for molybdenum. They staked claims, mapped geology, conducted reconnaissance soil geochemistry sampling, and completed magnetometer geophysical surveys (Manning, L.J. 1967).
In 1969 Quintana Minerals Corporation conducted geological and geochemical investigations that resulted in the definition of two copper-molybdenum zones (Gordon, Terrence M., and Malone, A.S. 1970).
Union Carbide acquired and explored the Arrow tungsten area in 1977. They did geochemical surveying for tungsten, molybdenum, copper and zinc (Davidson, Alex, 1978).
Asamera Oil Corporation (1979-1980) carried out a geochemical exploration program on the Bobbi claims on the eastern part of the Stewart property for molybdenum (Barclay, S.W., 1979, 1980).
In 1979 through 1981 Shell Canada Resources Ltd. optioned the property and carried out a detailed evaluation over large areas of the property that included geological mapping, magnetometer and impulse EM geophysics, soil geochemistry and diamond drilling. Much of this work (including extensive drilling) was focused on the Stewart Moly area, with the results suggesting that a molybdenum-bearing porphyry system might exist on the property (Turner, G.W. 1980, 1981).
Table 1
1980 and 1981 Shell Drill Hole Information
Stewart Moly Zone
Hole ID |
Depth (m) |
E |
N |
Elevation (m) |
Azimuth |
Dip |
| 80-1 |
107.29 |
481295 |
5459406 |
1,500 |
100 |
-72 |
| 80-2 |
82.91 |
480204 |
5458024 |
1,740 |
0 |
-90 |
| 80-3 |
88.1 |
480780 |
5458913 |
1,604 |
0 |
-90 |
| 81-1 |
115 |
480777 |
5458971 |
1,587 |
140 |
-45 |
| 81-2 |
92.3 |
480746 |
5458923 |
1,596 |
140 |
-45 |
| 81-3 |
92.3 |
480727 |
5458909 |
1,596 |
140 |
-45 |
| 81-4 |
78 |
480718 |
5458894 |
1,588 |
140 |
-45 |
| 81-5 |
113.7 |
480692 |
5458923 |
1,573 |
157 |
-45 |
| 81-6 |
126.2 |
480655 |
5458910 |
1,572 |
157 |
-45 |
| 81-7 |
93.9 |
480619 |
5458898 |
1,570 |
157 |
-45 |
| 81-8 |
91.7 |
480353 |
5458790 |
1,530 |
157 |
-45 |
| 81-9 |
128 |
480779 |
5458973 |
1,576 |
157 |
-45 |
| 81-10 |
121.5 |
480819 |
5458975 |
1,595 |
157 |
-45 |
| 81-11 |
115.2 |
480779 |
5458973 |
1,576 |
157 |
-45 |
| 81-12 |
67 |
480838 |
5458983 |
1,598 |
157 |
-45 |
| 81-13 |
93 |
481070 |
5458534 |
1,519 |
0 |
-90 |
| 81-14 |
81.3 |
480330 |
5458034 |
1,687 |
0 |
-90 |
| 81-15 |
129.4 |
480753 |
5458916 |
1,599 |
0 |
-90 |
| 81-16 |
95.4 |
480478 |
5458376 |
1,685 |
0 |
-90 |
Table 2
1980 and 1981 Shell Significant Assay Results
Stewart Moly Zone
Hole ID |
From (m) |
To (m) |
Length (m)* |
MoS2 (%)** |
Mo (%) |
| 80-1 |
|
No |
Significant |
Values |
|
| 80-2 |
|
No |
Significant |
Values |
|
| 80-3 |
2.0 |
54.0 |
52.0 |
0.391 |
0.295 |
including |
2.0 |
27.0 |
25.0 |
0.781 |
0.468 |
including |
6.0 |
7.0 |
1.0 |
1.254 |
0.752 |
including |
8.0 |
9.0 |
1.0 |
1.304 |
0.782 |
including |
15.0 |
16.0 |
1.0 |
1.581 |
0.948 |
| 81-1 |
28.1 |
54.1 |
26.0 |
0.201 |
0.121 |
including |
39.1 |
42.1 |
3.0 |
0.591 |
0.354 |
| 81-2 |
68.8 |
71.8 |
3.0 |
0.169 |
0.100 |
| 81-3 |
0.6 |
49.6 |
49.0 |
0.116 |
0.069 |
including |
5.6 |
7.6 |
2.0 |
0.820 |
0.492 |
| 81-4 |
1.2 |
2.2 |
1.0 |
0.233 |
0.138 |
and |
8.2 |
9.2 |
1.0 |
0.132 |
0.078 |
and |
13.2 |
17.2 |
3.0 |
0.780 |
0.462 |
and |
32.2 |
33.2 |
1.0 |
0.122 |
0.072 |
and |
47.2 |
50.2 |
3.0 |
0.223 |
0.132 |
and |
53..2 |
56.2 |
3.0 |
0.213 |
0.126 |
and |
59.2 |
65.2 |
6.0 |
0.253 |
0.150 |
| 81-5 |
32.0 |
33.0 |
1.0 |
0.200 |
0.120 |
and |
38.0 |
40.0 |
2.0 |
0.140 |
0.084 |
and |
56.0 |
57.0 |
1.0 |
0.093 |
0.056 |
and |
59.0 |
60.0 |
1.0 |
0.200 |
0.120 |
and |
61.0 |
62.0 |
1.0 |
0.110 |
0.066 |
and |
82.0 |
83.0 |
1.0 |
0.130 |
0.078 |
and |
99.0 |
100.0 |
1.0 |
0.317 |
0.190 |
| 81-6 |
35.0 |
37.0 |
2.0 |
0.145 |
0.087 |
and |
50.0 |
51.0 |
1.0 |
0.160 |
0.096 |
and |
53.0 |
54.0 |
1.0 |
0.901 |
0.540 |
and |
61.0 |
62.0 |
1.0 |
0.100 |
0.060 |
and |
64.0 |
65.0 |
1.0 |
0.160 |
0.096 |
and |
88.0 |
90.0 |
2.0 |
0.115 |
0.069 |
| 81-7 |
45.0 |
75.0 |
30.0 |
0.111 |
0.060 |
including |
72.0 |
75.0 |
3.0 |
0.370 |
0.222 |
| 81-8 |
61.0 |
64.0 |
3.0 |
0.542 |
0.325 |
and |
67.0 |
73.0 |
6.0 |
0.212 |
0.127 |
and |
76.0 |
79.0 |
3.0 |
0.400 |
0.240 |
and |
79.0 |
82.0 |
3.0 |
0.108 |
0.065 |
| 81-9 |
58.0 |
128.0 |
70.0 |
0.331 |
0.198 |
| 81-10 |
7.0 |
10.0 |
3.0 |
0.090 |
0.054 |
| 81-11 |
74.0 |
98.0 |
24.0 |
0.219 |
0.131 |
including |
86.0 |
95.0 |
9.0 |
0.280 |
0.168 |
and |
101.0 |
107.0 |
6.0 |
0.100 |
0.060 |
| 81-12 |
53.0 |
59.0 |
6.0 |
0.075 |
0.045 |
| 81-13 |
5.0 |
8.0 |
3.0 |
0.110 |
0.066 |
and |
59.0 |
62.0 |
3.0 |
0.110 |
0.066 |
| 81-14 |
|
No |
Significant |
Values |
|
| 81-15 |
1.8 |
5.0 |
3.2 |
0.175 |
0.105 |
| 81-16 |
11.0 |
14.0 |
3.0 |
0.083 |
0.050 |
* true width unknown
** conversion Mo to MoS2 multiply by 1.6681
Cominco Limited (1980) conducted geophysical surveys for porphyry molybdenum deposits on an eastern section of the Stewart property known as the Bobbi claims, an area loctated approximately 2 kilometres east of the Moly Breccia zone. Cominco ran 8.8 kilometres of induced polarization and field magnetic lines and summarized the findings in a report that year. They also completed 4 drill holes (BDDH801 to BDDH804) within the Bobby area to tests several anomalies (Scott Alan, 1980).
Table 3
1980 Cominco Drill Hole Information
Bobbi Area
Hole ID |
Depth (m) |
E |
N |
Elevation (m) |
Azimuth |
Dip |
| BDDH80-1 |
153.9 |
476594 |
5459040 |
1,410 |
330 |
-45 |
| BDDH80-2 |
132.9 |
482650 |
5460465 |
1,300 |
90 |
-50 |
| BDDH80-3 |
47.5 |
482770 |
5460450 |
1,285 |
90 |
-60 |
| BDDH80-4 |
123.1 |
482755 |
5460395 |
1,300 |
180 |
-60 |
Table 4
1980 Cominco Drill Hole Assay Results
Bobbi Area
Hole ID |
From (m) |
To (m) |
Length (m)* |
MoS2 (%)** |
Mo (%) |
| BDDH80-1 |
97.53 |
100.58 |
3.05 |
0.073 |
0.044 |
| BDDH80-1 |
112.77 |
115.82 |
3.05 |
0.071 |
0.043 |
| BDDH80-2 |
103.63 |
106.68 |
3.05 |
0.095 |
0.057 |
| BDDH80-3 |
27.43 |
30.48 |
3.05 |
0.098 |
0.059 |
| BDDH80-4 |
6.1 |
9.1 |
3.0 |
0.120 |
0.072 |
| BDDH80-4 |
9.1 |
12.2 |
3.0 |
0.103 |
0.062 |
| BDDH80-4 |
118.93 |
121.98 |
3.05 |
0.067 |
0.040 |
* true width unknown
** conversion Mo to MoS2 multiply by 1.6681
Selco Inc. (1982-1984), a division of BP Exploration Canada Limited, conducted extensive exploration on the property for metals, primarily molybdenum. In 1982 Selco did airborne EM and magnetics surveys and rock chip sampling, and in 1983 they continued with geological evaluations, further geochemical sampling, ground geophysics, and core drilling. Much of their work was on the Stewart Moly Zone. Selco concluded that Stewart contained many showings of base and precious metals. While they thought that the potential would be too small for Selco or BP, they stated that the "property does, however, contain potential for lode deposits which would be amenable to mining by a junior sized mining company..." (Carpenter, T., 1983, 1984).
Selco's drill program was designed to test areas away from the main molybdenite-bearing breccia body. This drilling met with limited success, with only 2 samples returning molybdenum values over 500 ppm over 1 metre intervals.
Table 5
1983 Selco Drill Hole Information
Stewart Moly Zone
Hole ID |
Depth (m) |
E |
N |
Elevation (m) |
Azimuth |
Dip |
| 83-1 |
474.55 |
480785 |
5458421 |
1,630 |
180 |
-60 |
| 83-2 |
582.32 |
480787 |
5458783 |
1,615 |
270 |
-62 |
| 83-3 |
416.95 |
481202 |
5458997 |
1,570 |
0 |
-90 |
| 83-4 |
203.29 |
481202 |
5458997 |
1,570 |
0 |
-45 |
Table 6
1983 Selco Selected Assay Results (over 0.02% Mo)
Stewart Moly Zone
Hole ID |
From (m) |
To (m) |
Length (m)* |
MoS2 (%)** |
Mo(%) |
| 83-1 |
|
No |
Significant |
Values |
|
| 83-2 |
395 |
396 |
1 |
0.033 |
0.020 |
| 83-3 |
125 |
126 |
1 |
0.042 |
0.025 |
| 83-3 |
127 |
128 |
1 |
0.035 |
0.021 |
| 83-3 |
128 |
129 |
1 |
0.087 |
0.052 |
| 83-3 |
141 |
142 |
1 |
0.095 |
0.057 |
| 83-3 |
331 |
332 |
1 |
0.040 |
0.024 |
| 83-3 |
332 |
333 |
1 |
0.035 |
0.021 |
| 83-4 |
54 |
55 |
1 |
0.065 |
0.039 |
| 83-4 |
55 |
56 |
1 |
0.063 |
0.038 |
| 83-4 |
56 |
57 |
1 |
0.040 |
0.024 |
* true width unknown
** conversion Mo to MoS2 multiply by 1.6681
Lacana Mining Corporation conducted geochemical sampling in 1987 and summarized the results in a 1988 report. They concentrated on the Rest Creek area, but failed to find targets for further testing (Johnson, D., and R., Klassen), 1987).
Minnova Incorporated (1989-1990) explored the northwest part of the Stewart property in the Craigtown Creek area for gold with soil geochemistry sampling. They also split and re-assayed some historic drill core (Gilmor, W., 1990, Burg, C., 1991).
Cameco Corporation focused on the Craigtown Creek area with programs in years 1992 and 1993. The 1992 program included geological mapping, soil and rock sampling, and backhoe trenching. In 1993 Cameco drilled four core holes and found anomalous gold values ranging with lows in the 10-100 part per billion range up to 24,854 part per billion over one meter in a quartz-sulphide vein. Cameco also ran induced polarization and magnetics geophysics surveys (Humphreys, N., 1992, 1993).
Table 7
1993 Cameco Drill Hole Information
Craigtown Creek Zone
Hole ID |
Depth (m) |
E |
N |
Elevation (m) |
Azimuth |
Dip |
| DEN931 |
150.9 |
477307 |
5460011 |
1603 |
315 |
-45 |
| DEN932 |
100.0 |
477193 |
5459926 |
1575 |
315 |
-45 |
| DEN933 |
98.5 |
477462 |
5460173 |
1670 |
315 |
-45 |
| DEN934 |
99.4 |
477123 |
5459833 |
1558 |
315 |
-45 |
Table 8
1993 Cameco Significant Assay Results
Craigtown Creek Zone
Hole ID |
From (m) |
To (m) |
Length (m)* |
Au (ppb)** |
| DEN931 |
23.0 |
25.0 |
2.0 |
268 |
| DEN931 |
135.0 |
136.0 |
1.0 |
207 |
| DEN932 |
21.0 |
23.0 |
2.0 |
1,868 |
| DEN932 |
28.5.0 |
30.5 |
2.0 |
316 |
| DEN934 |
37.0 |
37.5 |
0.5 |
286 |
| DEN934 |
38.0 |
38.5 |
0.5 |
395 |
| DEN934 |
39.0 |
40.0 |
1.0 |
24,834 |
| DEN934 |
48.5 |
49.5 |
1.0 |
207 |
*true width unknown
**1 part per billion = 1 gram per tonne
In 1995 Orvana Minerals acquired the Stewart Property to "characterize potentially economic mineralization known to occur on the property" and to develop exploration drilling targets. Their focus was primarily on gold and copper. In 1996-1997, Orvana Minerals conducted geologic mapping, rock, soil and moss mat geochemical sampling, and a ground magnetic and VLF-EM survey, emphasizing the Craigtown Creek area. Orvana described the results of their field work in detail in two reports dated 1997 and 1998, and the conclusions/recommendations in those reports outlined favorable exploration targets to be evaluated during the next field season (Fredericks, Robert, and Thomson, Ian, 1997, 1998).
Kaufman conducted geological evaluations of the property in 1995 and again in 1998, which included writing assessment reports during those years. In addition to geological interpretations, he also examined prior geochemical anomalies, and concluded that potential exists for significant gold mineralization (Kaufman, M. 1995, 1998).
Historic exploration of the Stewart Property has included geochemistry, geophysics, trenching and drilling, resulting in the drilling of 27 diamond core holes for a total of 4,038 metres. Historic work was not completed to current National Instrument 43-101 standards. As such, it can only provide a guide to current exploration activities.
HISTORIC EXPLORATION BY EMGOLD (2001 to Present)
Emgold Mining Corporation acquired the Stewart Property from Jack and Eric Denny in the year 2001. Emgold originally optioned the property for its gold potential but eventually conducted exploration for other previously discovered metals. In the year 2002 Emgold conducted soil geochemistry sampling to verify prior historic work (Dandy, 2002),
In 2003 Emgold added airborne geophysics (magnetics, resistivity, and electromagnetics) (Walcott, P., and Associated, 2004).
In 2004, Emgold completed prospecting, rock, and soil sampling of the Free Silver and Craigtown Creek Zones and diamond drilling of six core holes in the Craigtown Creek Zone. Results indicated anomalous gold-copper and/or minor molybdenum mineralization in the Craigtown Creek Zone. Twenty-nine samples were collected in the Free Silver Zone with an average grade greater than 65 grams per tonne silver. (Brown J., and Dandy L., 2005).
Emgold drilled five core holes in 2005. The program tested historic drill results in the Stewart Moly Zone by twinning two of the Shell Minerals 1980-1981 drill holes. Shell Minerals' holes numbered 81-3 and 81-9 were twinned by Emgold holes SM05-01 and SM05-02. Drillhole SM05-03 was drilled in the opposite direction of previous drilling to test geologic trending, and holes SM05-04 and SM05-05 were drilled through the breccia body to determine potential grade. Drillhole SM05-04 was discontinued at a shallow depth due to difficult drilling conditions (Grunenberg, P., 2006).
In 2007, Emgold conducted a trenching and diamond drill program over several areas of the property. A total of 28 trenches and 30 diamond drill holes were completed on the property. The program focused the Arrow Tungsten Zone, but also tested the margins of the Stewart Moly zone (Grunenberg, P. 2008). The two zones are closely related, where molybdenite-bearing granitic rocks come into contact with the surrounding sedimentary rocks, creating tungsten-bearing skarn.
In 2011, Emgold completed additional diamond drilling of the Stewart Moly Zone. Nineteen drill holes were completed to get a better understanding of the extent of the Zone and the distribution of high and low grade molybdenum mineralization within the breccia. The element rhenium was also discovered. Both rhenium and gold may be potential byproduct metals in the deposit.
Table 9
Emgold Drill Hole Information, 2005 to Present
Stewart Moly Zone
Hole ID |
Depth (m) |
E |
N |
Elevation (m) |
Azimuth |
Dip |
| SM0501 |
138.07 |
480779.1 |
5458973 |
1,576 |
157 |
-45 |
| SM0502 |
92.35 |
480726.7 |
5458906 |
1,596 |
140 |
-45 |
| SM0503 |
85.65 |
480771.4 |
5458871 |
1,609 |
322 |
-50 |
| SM0504 |
13.11 |
480764.9 |
5458901 |
1,605 |
55 |
-60 |
| SM0505 |
75.29 |
480763.7 |
5458896 |
1,606 |
47 |
-55 |
| SM1101 |
221.28 |
480750 |
5458840 |
1,622 |
16 |
-45 |
| SM1102 |
62.79 |
480750 |
5458840 |
1,622 |
105 |
-45 |
| SM1103 |
62.79 |
480750 |
5458840 |
1,622 |
285 |
-45 |
| SM1104 |
154.84 |
480773 |
5458918 |
1,611 |
0 |
-90 |
| SM1105 |
111.86 |
480760 |
5458910 |
1,608 |
0 |
-90 |
| SM1106 |
230.43 |
480766 |
5458900 |
1,613 |
55 |
-64 |
| SM1107 |
151.49 |
480762 |
5458900 |
1,613 |
0 |
-90 |
| SM1108 |
90.53 |
480755 |
5458884 |
1,604 |
0 |
-90 |
| SM1109 |
87.48 |
480726 |
5458886 |
1,601 |
0 |
-90 |
| SM1110 |
117.04 |
480720 |
5458900 |
1,597 |
103 |
-70 |
| SM1111 |
124.05 |
480720 |
5458900 |
1,597 |
0 |
-90 |
| SM1112 |
138.99 |
480721 |
5458910 |
1,601 |
68 |
-64 |
| SM1113 |
145.39 |
480756 |
5458932 |
1,600 |
140 |
-70 |
| SM1114 |
117.96 |
480760 |
5458951 |
1,596 |
144 |
-65 |
| SM1115 |
111.86 |
480795 |
5458970 |
1,598 |
204 |
-65 |
| SM1116 |
102.72 |
480800 |
5458968 |
1,602 |
0 |
-90 |
| SM1117 |
196.9 |
480794 |
5458951 |
1,601 |
0 |
-90 |
| SM1118 |
203.61 |
480800 |
5458936 |
1,597 |
302.7 |
-90 |
| SM1119 |
93.57 |
480815 |
5458950 |
1,594 |
0 |
-90 |
Table 10
Emgold Drill Hole Significant Assays, 2005 to Present
Stewart Moly Zone
Hole
Number |
From (m) |
To
(m) |
Length
(m)* |
MoS2
(%)** |
Mo
(%) |
Au
(ppb)*** |
Re
(ppb)*** |
SM0501 |
1.0 |
138.7 |
137.7 |
0.051 |
0.031 |
No data |
No data |
including |
46.7 |
107.1 |
60.4 |
0.110 |
0.066 |
No data |
No data |
including |
59.1 |
62.3 |
3.20 |
0.449 |
0.269 |
No data |
No data |
SM0502 |
0.00 |
92.35 |
92.35 |
0.059 |
0.354 |
No data |
No data |
including |
0.00 |
26.3 |
26.30 |
0.130 |
0.078 |
No data |
No data |
including |
0.00 |
16.15 |
16.15 |
0.189 |
0.053 |
No data |
No data |
SM0503 |
0.00 |
85.65 |
85.65 |
0.041 |
0.023 |
No data |
No data |
including |
66.4 |
83.8 |
17.4 |
0.088 |
0.053 |
No data |
No data |
including |
40.0 |
55.7 |
15.7 |
0.068 |
0.041 |
No data |
No data |
including |
44.5 |
46.0 |
1.5 |
No data |
No data |
362.5 |
No data |
including |
32.65 |
36.88 |
4.23 |
0.067 |
0.040 |
No data |
No data |
including |
16.0 |
17.0 |
1.0 |
0.180 |
0.108 |
No data |
No data |
SM0504 |
0.00 |
13.11 |
13.11 |
0.118 |
0.071 |
No data |
No data |
including |
10.9 |
12.0 |
1.1 |
0.292 |
0.175 |
No data |
No data |
SM0505 |
0.00 |
75.29 |
75.29 |
0.313 |
0.188 |
No data |
No data |
including |
37.85 |
73.76 |
35.91 |
0.597 |
0.358 |
No data |
No data |
including |
0.0 |
20.5 |
20.5 |
0.091 |
0.054 |
No data |
No data |
SM1101 |
16.13 |
17.68 |
1.5 |
No data |
No data |
No data |
804 |
and |
21.50 |
22.65 |
1.15 |
No data |
No data |
No data |
502 |
and |
81.30 |
82.68 |
1.38 |
0.0810 |
0.049 |
No data |
No data |
and |
129.84 |
131.40 |
1.56 |
No data |
No data |
1,148.5 |
No data |
and |
201.4 |
202.4 |
1.0 |
No data |
No data |
620.2 |
No data |
SM1102 |
|
|
No |
Significant |
Values |
|
|
S11M03 |
29.80 |
32.31 |
2.51 |
No data |
No data |
530.2 |
No data |
and |
44.50 |
47.55 |
3.05 |
0.028 |
0.017 |
No data |
No data |
S11M04 |
3.80 |
5.49 |
1.69 |
0.098 |
0.059 |
No data |
No data |
and |
5.49 |
6.96 |
1.47 |
0.087 |
0.052 |
No data |
No data |
and |
16.13 |
17.68 |
1.55 |
0.307 |
0.184 |
No data |
No data |
and |
19.35 |
20.57 |
1.22 |
0.115 |
0.069 |
No data |
No data |
and |
21.50 |
22.65 |
1.15 |
0.145 |
0.087 |
No data |
No data |
and |
29.00 |
32.02 |
3.02 |
0.057 |
0.034 |
No data |
No data |
SM1105 |
1.51 |
4.10 |
2.59 |
0.060 |
0.036 |
No data |
No data |
and |
8.23 |
12.62 |
4.39 |
0.122 |
0.073 |
No data |
No data |
including |
8.23 |
9.20 |
0.97 |
0.230 |
0.138 |
No data |
816 |
including |
9.20 |
11.27 |
2.07 |
0.068 |
0.041 |
No data |
No data |
including |
11.27 |
12.62 |
1.35 |
0.127 |
0.076 |
No data |
505 |
and |
23.47 |
24.85 |
1.38 |
0.164 |
0.098 |
No data |
No data |
and |
32.50 |
35.00 |
2.50 |
No data |
No data |
1,170.9 |
No data |
and |
35.00 |
36.50 |
1.50 |
No data |
No data |
3,935.5 |
No data |
SM1106 |
14.02 |
15.50 |
1.48 |
0.309 |
0.185 |
No data |
1,060 |
and |
31.10 |
32.61 |
1.51 |
0.242 |
0.145 |
No data |
780 |
and |
47.25 |
105.90 |
58.65 |
0.198 |
0.119 |
No data |
No data |
including |
47.25 |
48.36 |
1.11 |
0.144 |
0.086 |
No data |
No data |
including |
48.36 |
50.60 |
2.24 |
0.162 |
0.097 |
No data |
540 |
including |
50.60 |
53.64 |
3.04 |
0.199 |
0.119 |
No data |
623 |
including |
54.97 |
56.69 |
1.72 |
0.115 |
0.069 |
No data |
No data |
including |
56.69 |
59.74 |
3.05 |
0.164 |
0.098 |
No data |
No data |
including |
59.74 |
61.00 |
1.26 |
0.192 |
0.115 |
No data |
586 |
including |
61.00 |
62.79 |
1.79 |
0.440 |
0.264 |
No data |
1,031 |
including |
62.79 |
65.84 |
3.05 |
0.169 |
0.101 |
No data |
No data |
including |
65.84 |
67.90 |
2.06 |
0.123 |
0.074 |
No data |
No data |
including |
67.90 |
69.60 |
1.70 |
0.204 |
0.122 |
No data |
526 |
including |
71.80 |
72.87 |
1.07 |
0.167 |
0.100 |
No data |
No data |
including |
72.87 |
74.98 |
2.11 |
0.232 |
0.139 |
No data |
662 |
including |
74.98 |
77.05 |
2.07 |
0.497 |
0.298 |
No data |
1,160 |
including |
77.05 |
78.50 |
1.45 |
0.037 |
0.022 |
No data |
No data |
including |
78.50 |
80.00 |
1.50 |
0.265 |
0.159 |
No data |
781 |
including |
80.00 |
81.50 |
1.50 |
0.294 |
0.176 |
No data |
870 |
including |
81.50 |
83.90 |
2.40 |
0.504 |
0.302 |
No data |
1,240 |
including |
83.90 |
85.07 |
1.17 |
0.247 |
0.148 |
No data |
698 |
including |
85.07 |
86.85 |
1.78 |
0.297 |
0.178 |
No data |
879 |
including |
86.85 |
88.00 |
1.15 |
0.077 |
0.046 |
No data |
No data |
including |
88.00 |
89.50 |
1.50 |
0.095 |
0.057 |
No data |
No data |
including |
89.50 |
91.50 |
2.00 |
0.108 |
0.065 |
No data |
No data |
including |
91.50 |
93.50 |
2.00 |
0.060 |
0.036 |
No data |
No data |
including |
93.50 |
95.50 |
2.00 |
0.083 |
0.050 |
No data |
No data |
including |
95.50 |
97.05 |
1.55 |
0.290 |
0.174 |
No data |
868 |
including |
97.05 |
98.80 |
1.75 |
0.055 |
0.033 |
No data |
No data |
including |
98.80 |
100.80 |
2.00 |
0.093 |
0.056 |
No data |
No data |
including |
100.80 |
101.90 |
1.10 |
0.152 |
0.091 |
No data |
No data |
including |
101.90 |
103.00 |
1.10 |
0.142 |
0.085 |
No data |
No data |
including |
103.00 |
103.90 |
0.90 |
0.582 |
0.349 |
No data |
1,418 |
including |
103.90 |
105.90 |
2.00 |
0.229 |
0.137 |
No data |
791 |
and |
187.76 |
189.49 |
1.73 |
No data |
No data |
No data |
537 |
and |
189.49 |
191.10 |
1.61 |
No data |
No data |
No data |
1,653 |
SM1107 |
1.83 |
3.33 |
1.50 |
0.315 |
0.189 |
No data |
1,009 |
and |
3.33 |
5.18 |
1.85 |
0.145 |
0.087 |
No data |
No data |
and |
6.68 |
8.23 |
1.55 |
0.137 |
0.082 |
No data |
No data |
and |
17.67 |
20.42 |
4.92 |
0.233 |
0.139 |
No data |
No data |
including |
17.67 |
18.27 |
0.60 |
0.979 |
0.587 |
No data |
1,751 |
including |
18.27 |
19.4 |
1.13 |
0.154 |
0.092 |
No data |
No data |
including |
19.40 |
20.42 |
1.02 |
0.3420 |
0.205 |
No data |
735 |
and |
46.65 |
48.65 |
2.00 |
0.224 |
0.134 |
No data |
702 |
SM1108 |
34.32 |
35.66 |
1.34 |
No data |
No data |
1,269.8 |
No data |
and |
57.00 |
58.00 |
1.00 |
0.127 |
0.076 |
No data |
No data |
SM1109 |
|
|
No |
Significant |
Values |
|
|
SM1110 |
12.80 |
14.62 |
1.82 |
No data |
No data |
1,649.7 |
No data |
and |
50.90 |
52.17 |
1.27 |
0.130 |
0.078 |
No data |
No data |
SM1111 |
66.14 |
69.19 |
3.05 |
No data |
No data |
350.2 |
No data |
and |
81.38 |
84.43 |
3.05 |
No data |
No data |
380.9 |
No data |
and |
84.43 |
87.48 |
3.05 |
No data |
No data |
226.7 |
No data |
SM1112 |
6.92 |
8.45 |
1.53 |
0.255 |
0.153 |
No data |
605 |
and |
8.45 |
10.97 |
2.52 |
0.139 |
0.083 |
No data |
No data |
and |
17.07 |
18.57 |
1.50 |
0.235 |
0.141 |
No data |
609 |
and |
20.12 |
21.62 |
1.50 |
0.185 |
0.111 |
No data |
No data |
and |
29.26 |
32.31 |
3.05 |
0.140 |
0.084 |
No data |
No data |
and |
39.90 |
41.45 |
1.55 |
0.189 |
0.113 |
No data |
No data |
and |
42.87 |
52.12 |
9.25 |
0.194 |
0.116 |
No data |
No data |
and |
42.87 |
44.50 |
1.63 |
0.304 |
0.182 |
No data |
>1,000 |
including |
44.50 |
46.00 |
1.50 |
0.154 |
0.092 |
No data |
No data |
including |
46.00 |
47.55 |
1.55 |
0.170 |
0.102 |
No data |
No data |
including |
47.55 |
50.60 |
3.05 |
0.207 |
0.124 |
No data |
538 |
including |
50.60 |
52.12 |
1.52 |
0.115 |
0.069 |
No data |
No data |
including |
132.76 |
132.97 |
0.21 |
No data |
No data |
7,094.9 |
No data |
SM1113 |
22.06 |
23.47 |
1.41 |
No data |
No data |
No data |
789 |
SM1114 |
43.30 |
44.50 |
1.20 |
0.409 |
0.245 |
No data |
1,412 |
and |
69.19 |
70.70 |
1.51 |
0.179 |
0.107 |
No data |
No data |
and |
70.70 |
72.24 |
1.54 |
0.312 |
0.187 |
No data |
861 |
and |
69.19 |
70.70 |
1.51 |
0.179 |
0.107 |
No data |
No data |
and |
76.30 |
77.60 |
1.30 |
No data |
No data |
1,646.7 |
No data |
|
114.50 |
115.95 |
1.45 |
0.144 |
0.086 |
No data |
No data |
SM1115 |
65.44 |
66.74 |
1.30 |
0.180 |
0.108 |
No data |
688 |
and |
72.24 |
73.45 |
1.21 |
0.264 |
0.158 |
No data |
723 |
and |
92.57 |
93.57 |
1.00 |
No Data |
No Data |
393.4 |
No data |
and |
97.80 |
100.10 |
2.30 |
0.159 |
0.095 |
No data |
No data |
SM1116 |
|
|
No |
Significant |
Values |
|
|
SM1117 |
154.60 |
155.87 |
1.27 |
0.140 |
0.084 |
No data |
No data |
and |
160.32 |
163.17 |
2.85 |
0.170 |
0.102 |
No data |
No data |
and |
163.17 |
164.20 |
1.03 |
0.983 |
0.589 |
No data |
2,204 |
and |
167.00 |
169.58 |
2.58 |
0.225 |
0.135 |
No data |
558 |
and |
169.58 |
171.00 |
1.42 |
0.133 |
0.080 |
No data |
No data |
and |
171.00 |
172.52 |
1.52 |
No data |
No data |
No data |
596 |
and |
172.52 |
174.06 |
1.54 |
No data |
No data |
No data |
730 |
and |
174.06 |
176.20 |
2.14 |
0.157 |
0.094 |
No data |
No data |
and |
177.20 |
178.61 |
1.41 |
0.487 |
0.292 |
No data |
1,197 |
and |
178.61 |
180.10 |
1.49 |
0.135 |
0.081 |
No data |
No data |
and |
184.71 |
186.20 |
1.49 |
0.232 |
0.139 |
No data |
500 |
SM1118 |
29.40 |
31.27 |
1.87 |
0.561 |
0.336 |
No data |
1,566 |
and |
56.50 |
57.90 |
1.40 |
0.240 |
0.144 |
No data |
644 |
and |
75.59 |
77.04 |
1.45 |
0.255 |
0.153 |
No data |
618 |
and |
90.94 |
91.94 |
1.00 |
0.142 |
0.085 |
No data |
No data |
SM1119 |
|
|
No |
Significant |
Values |
|
|
* true width unknown
** conversion Mo to MoS2 multiply by 1.6681
Table 11
Emgold Drill Hole Information, 2005 to Present
Arrow Tungsten Zone
Hole ID |
Depth (m) |
E |
N |
Elevation (m) |
Azimuth |
Dip |
| STW0701 |
149.35 |
480705 |
5458983 |
1,554 |
125 |
-50 |
| STW0702 |
73.15 |
480701 |
5458983 |
1,554 |
305 |
-50 |
| STW0703 |
152.40 |
480815 |
5458964 |
1,580 |
210 |
-51 |
| STW0704 |
152.40 |
480831 |
5459113 |
1,552 |
270 |
-52 |
| STW0705 |
91.44 |
480745 |
5459211 |
1,509 |
270 |
-53 |
| STW0706 |
223.72 |
480745 |
5459211 |
1,509 |
270 |
-80 |
| STW0707 |
153.92 |
480749 |
5459211 |
1,509 |
90 |
-50 |
| STW0708 |
90.83 |
480715 |
5459176 |
1,509 |
225 |
-45 |
| STW0709 |
89.61 |
480719 |
5459178 |
1,509 |
90 |
-45 |
| STW0710 |
115.82 |
480673 |
5459259 |
1,480 |
130 |
-45 |
| STW0711 |
33.53 |
480673 |
5459259 |
1,480 |
130 |
-70 |
| STW0712 |
194.46 |
480673 |
5459259 |
1,480 |
146 |
-50 |
| STW0713 |
91.44 |
480673 |
5459259 |
1,480 |
90 |
-50 |
| STW0714 |
91.44 |
480667 |
5459284 |
1,473 |
120 |
-50 |
| STW0715 |
76.20 |
480667 |
5459285 |
1,473 |
80 |
-50 |
| STW0716 |
82.3 |
480665 |
5459375 |
1,444 |
60 |
-50 |
| STW0717 |
82.30 |
480665 |
5459375 |
1,444 |
90 |
-50 |
| STW0718 |
103.63 |
480665 |
5459375 |
1,444 |
120 |
-50 |
| STW0719 |
121.92 |
480665 |
5459375 |
1,444 |
120 |
-80 |
| STW0720 |
43.59 |
480650 |
5459862 |
1,293 |
90 |
50 |
| STW0721 |
65.53 |
480650 |
5459862 |
1,293 |
70 |
-50 |
| STW0722 |
152.4 |
480687 |
5458956 |
1,556 |
50 |
-50 |
| STW0723 |
151.79 |
480687 |
5458956 |
1,556 |
30 |
-50 |
| STW0724 |
124.97 |
480667 |
5459166 |
1,502 |
150 |
-50 |
| STW0725 |
111.25 |
480667 |
5459166 |
1,502 |
125 |
-50 |
| STW0726 |
91.44 |
480668 |
5459168 |
1,502 |
95 |
-50 |
| STW0727 |
92.96 |
480668 |
5459168 |
1,502 |
95 |
-70 |
| STW0728 |
91.44 |
480668 |
5459168 |
1,502 |
70 |
-50 |
| STW0729 |
121.31 |
480627 |
5459324 |
1,444 |
100 |
-50 |
| STW0730 |
121.92 |
480627 |
5459324 |
1,444 |
85 |
-50 |
Table 12
Emgold Drill Hole Significant Assays, 2005 to Present
Stewart Tungsten Zone
Hole
Number |
From
(m) |
To
(m) |
Length
(m)* |
WO3
(%)** |
W
(%) |
Au
(ppb)*** |
MoS2
(%)**** |
Mo (%) |
| STW0701 |
140.40 |
142.04 |
1.64 |
No data |
No data |
336.8 |
No data |
No data |
| STW0702 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0703 |
54.86 |
79.25 |
22.85 |
0.413 |
0.325 |
No data |
No data |
No data |
| including |
63.09 |
66.14 |
3.05 |
0.909 |
0.721 |
No data |
No data |
No data |
| STW0704 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0705 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0706 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0707 |
15.24 |
18.29 |
3.05 |
No data |
No data |
1,350 |
No data |
No data |
| STW0707 |
64.01 |
67.06 |
3.05 |
No data |
No data |
2,256 |
No data |
No data |
| STW0708 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0709 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0710 |
92.97 |
94.49 |
1.52 |
0.465 |
0.369 |
No data |
0.210 |
0.126 |
| STW0711 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0712 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0713 |
2.13 |
4.27 |
2.14 |
No data |
No data |
412 |
No data |
No data |
| STW0714 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0715 |
42.90 |
44.73 |
1.83 |
0.111 |
0.088 |
No data |
1.273 |
0.763 |
| STW0715 |
44.73 |
46.02 |
1.29 |
0.643 |
0.510 |
No data |
0.095 |
0.057 |
| STW0716 |
21.34 |
22.87 |
1.53 |
|
|
No data |
0.247 |
0.148 |
| STW0716 |
35.06 |
36.58 |
1.52 |
0.443 |
0.351 |
No data |
No data |
No data |
| STW0716 |
39.67 |
41.09 |
1.42 |
0.584 |
0.463 |
No data |
No data |
No data |
| STW0716 |
41.09 |
42.67 |
1.58 |
0.957 |
0.759 |
410 |
No data |
No data |
| |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0718 |
15.24 |
17.98 |
2.74 |
No data |
No data |
321 |
No data |
No data |
| STW0718 |
38.96 |
40.98 |
2.02 |
0.469 |
0.372 |
No data |
No data |
No data |
| STW0718 |
57.91 |
60.96 |
3.05 |
No data |
No data |
470 |
No data |
No data |
| STW0719 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0720 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0721 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0722 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0723 |
124.97 |
128.02 |
3.05 |
No data |
No data |
762 |
No data |
No data |
| STW0724 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0725 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0726 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0727 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0728 |
|
|
No |
Significant |
Values |
No data |
No data |
No data |
| STW0729 |
5.12 |
6.10 |
0.98 |
0.455 |
0.361 |
No data |
0.188 |
0.113 |
| STW0730 |
10.66 |
11.66 |
1.00 |
1.261 |
1.000 |
No data |
0.158 |
0.095 |
* true width unknown
** conversion W to WO3 multiply by 1.2611
***1 part per billion = 1 gram per tonne
**** conversion Mo to MoS2 multiply by 1.6681
Table 12
Emgold Drill Hole Information, 2005 to Present
Craigtown Creek Zone
Hole ID |
Depth (m) |
E |
N |
Elevation (m) |
Azimuth |
Dip |
| 04JAD01 |
300 |
5459437 |
476054 |
1,623 |
300 |
-45 |
| 04JAD02 |
135 |
5459266 |
474938 |
1,576 |
135 |
-45 |
| 04JAD03 |
135 |
5459232 |
474920 |
1,619 |
135 |
-45 |
| 04JAD04 |
315 |
5459774 |
477077 |
1,444 |
315 |
-45 |
| 04JAD05 |
315 |
5459795 |
477141 |
1,390 |
315 |
-45 |
| 04JAD06 |
abandoned |
- |
- |
- |
- |
- |
| 04JAD07 |
330 |
5459040 |
476594 |
1,410 |
330 |
-45 |
Table 13
Emgold Significant Assays, 2005 to Present
Craigtown Creek Zone
Hole Number |
From (m) |
To (m) |
Intercept Width (m)* |
Au (ppb)* |
Cu (ppm)* |
| 04JADH01 |
14.00 |
16.00 |
2.00 |
260 |
267 |
| 04JADH01 |
25.60 |
26.60 |
1.00 |
210 |
119 |
| 04JADH01 |
28.06 |
29.80 |
1.74 |
20 |
945 |
| 04JADH01 |
68.72 |
69.72 |
1.00 |
50 |
526 |
| 04JADH01 |
71.04 |
72.04 |
1.00 |
140 |
620 |
| 04JADH01 |
101.00 |
102.00 |
1.00 |
120 |
1,406 |
| 04JADH02 |
|
No |
Signifcant |
Values |
|
| 04JADH03 |
|
No |
Signifcant |
Values |
|
| 04JADH04 |
|
No |
Signifcant |
values |
|
| 04JADH05 |
9.46 |
10.81 |
1.35 |
350 |
95 |
| 04JADH05 |
46.54 |
47.59 |
1.05 |
320 |
159 |
| 04JADH07 |
5.45 |
6.45 |
1.00 |
430 |
110 |
| 04JADH07 |
66.52 |
67.02 |
0.50 |
150 |
511 |
* true width unknown
**1 part per billion = 1 gram per tonne
Historic exploration done by Emgold on the Stewart Property has included geochemistry, geophysics, trenching and drilling. In total, including historic work done by others, 91 diamond drill holes have been completed totaling 12,294 metres. Work done by Emgold at the Stewart Property has been done under the supervision of Linda Dandy, P.Geo., or Perry Grunenberg, P.Geo., both of whom are Qualified Persons as defined by National Instrument 43-101. Assay work was done by ACME Laboratories, an independent laboratory, using standard assaying procedures. ACME Laboratories is ISO 9001 certified.
GEOLOGY AND MINERALIZATION
The Stewart Property is located in a region of much historic mining activity, with the Ymir, Erie, Sheep Creek and Nelson districts being sites of extensive exploration and production for over 100 years. Stewart is part of a large geologic trend of gold, silver, molybdenum, tungsten, copper, and other mineralization. The trend contains:
- Emgold's Rozan Property (gold);
- Emgold's Stewart Property (gold, silver, molybdenum, tungsten);
- Altair Venture Corporation and Sutlan Minerals Incorporated Kena Property (gold);
- Valterra Resource Corporation's Star and Toughnut Properties (gold, silver);
- Sultan Minerals Incorporated's Jersey Emerald Property (tungsten, lead-zinc, molybdenum);
- Duncastle Gold Corporation's Yankee Dundee Property (gold); and
- Valterra Resource Corporation's Swift Katie Property (copper).
The Stewart Property is located west of Altair Ventures/Sultan Mineral's Kena Property and Duncastle Gold's Yankee Dundee Property. Sultan Minerals reports that the Kena Property a gold resource of 541,000 measured and indicated ounces of gold (24.9 million tonnes at 0.68 gram per tonne gold) and an inferred resource of 557,000 ounces of gold (25.8 million tonnes at 00.67 gram per tonne gold) (see NI 43-101 compliant technical report at sedar.com). Duncastle Gold reports that the Yankee Dundee Property hosts a number of historic gold mines, the largest of which was the Yankee Girl, where a reported 375,000 tons of ore was mined on 14 levels between 1907 and 1951). Note that the presence of the resource on the Kena Property and the presence of historic mines in the area do not imply that similar results will be achieved at the Stewart Property. However, geological mapping of the various properties does show similar geologic structures that overlap on the properties.
Geology and mineralization of the Stewart Property is well understood following the various exploration programs that have been undertaken over the years, including Emgold's work. Refer to the Stewart Property Geology Map.
Regional Geology
The oldest rocks in the region are clastic sedimentary rocks of the Proterozoic Aldridge (Belt) Supergroup, which outcrop in the eastern part of the region. The main bedrock units consist of Paleozoic clastic and carbonate sedimentary rocks of the Kootenay Terrane, also situated in the eastern part of the region, and Mesozoic volcanic rocks of the Quesnel Terrane to the west. The stratigraphic units of both the Kootenay and Quesnel Terranes have been folded and faulted along an east-west compressional axis. They are intruded by felsic volcanic rocks that range in age from Jurassic to Tertiary. Small coeval dioritic intrusions are common in the mafic andesitic volcanic rocks of the Jurassic Rossland Group. Extensive late Mesozoic intrusive activity produced the widely distributed Nelson Group of intrusives of granitic to dioritic compositions. Monzonite intrusive rocks of the Eocene-age Coryell Group, are also widely distributed in the region. Young (Tertiary) dikes and sills of rhyolite and felsite are common, and some small, more mafic intrusives are present.
Property Geology
The Stewart Property is underlain primarily by sedimentary and volcanic rocks of the Jurassic Rossland Group, along with intrusive rocks of various younger ages. These rocks have been structurally deformed and faulted, and mineralization appears to be structurally controlled.
Rossland Group
Rocks of the Rossland Group are the Elise Formation, composed of volcanic lithologies, and the Hall Formation, consisting of clastic sedimentary rocks.
The Jurassic age Elise Formation is mostly of basaltic to andesitic composition, but range from andesite to gabbro. The formation includes flows, breccias, pyroclastics, and sub-volcanic intrusives. Diorite intrusives occur in the andesite pile and make up a significant part of the formation. These rocks range from very weakly to moderately magnetic. The volcanics underlie a large portion of the Craigtown Creek area, and host a significant part of the known mineralization. They strike generally north-south and dip moderately to steeply east.
Overlying the Elise Formation on the east is the Hall Formation. Rocks of the Hall Formation are mostly siliceous argillite, siltstone, fine-grained sandstone, conglomerate, and tuffaceous rocks. These rocks strike north-south and dip steeply. Mineralization of these rocks on the Stewart property seems to be restricted to the contact aureole around the "West Moly Intrusion", to the east. This mineralization is limited to disseminated pyrite/pyrrhotite and minor small quartz-sulphide veins. Alteration in this aureole includes silicification and hornfels.
Intrusives
The Cretaceous Nelson intrusive suite consists mostly of quartz monzonite, monzonite, granite and diorite. The intrusive masses tend to be large, and outcrop most extensively in the northern portion of the property, in the Stewart and Craigtown Creek drainages. Smaller stocks occur in the western portion of the property. The rocks exhibit weak to fairly strong magnetism and propylitically altered near contacts with country rocks. These rocks are important because the porphyry molybdenum mineralization on the property is thought to be related to these intrusives.
Younger intrusives of the Coryell Suite (Eocene or later?) are also monzonitic, but tend to be a little more quartz-poor and alkaline than the Nelson rocks. They occur in both the east central and west central portions of the property.
Younger igneous rocks include intrusive breccias that show several cross-cutting relationships. They are altered and mineralized, and are associated with anomalous Au and Cu geochemistry in both soils and rocks. Several percent magnetite is a common component, both as fine to medium-grained disseminations and as stockwork veinlets, with or without quartz. Potassium feldspar and quartz veining and flooding are present in places.
The youngest intrusives are rhyolite, latite and minor basalt sills/dikes that intrude the older Rossland rocks and both Nelson and Coryell intrusives. They are also probably Tertiary age, as they intrude the Rossland Group and the diorite and monzonite intrusives. They generally strike north-south and dip near vertically. The dikes are a few metres in width and have strikes that range from northwest to northeast with steep dips. They are usually not altered or mineralized, however, a small plug of a trachytic latite and quartz latite porphyry with quartz veinlet stockwork and anomalous Au (>1 g/t) outcrops in the Craigtown Creek area.
Rhyolite, lamprophyre, porphyritic basaltic dikes and small plugs occur on the Stewart Property. Some of them contain disseminated pyrite and some earlier workers concluded that they are the source of the Au soil geochemical anomalies at Craigtown Creek. They also intrude the Rossland Group and the diorite and monzonite intrusives. They are probably late and unrelated to mineralization.
Structures
The dominant structural grain on the property is north-south. The Rossland Group stratigraphy generally strikes north-south, and the Elise and Hall Formations were folded into a broad north-south trending syncline (Hall Creek Syncline) that runs through the property and extends both north and south over a 20 kilometer strike length. Northwest and northeast-trending faults and shear zones exist on the property and appear to be significant controls to mineralization. The younger rhyolite dikes and sills also strike north-south and dip steeply.
Alteration
Various types of alteration have been observed on the Stewart Property. In the area of the porphyry molybdenum occurrences phyllic and potassic alterations were reported by earlier workers. Silicification is common in various rock types. Propylitic alteration of intrusive and volcanic rocks is widespread on the property. In the Craigtown Creek area propylitic, silicification, carbonate, potassic and skarn alterations are present.
Propolylitic alteration, silicification and carbonate alteration are present within the Elise Formation andesite near Craigtown Creek. The silicification is usually accompanied by disseminated pyrite or pyrrhotite and is coincident with gold-copper-arsenic anomalous soil and rock geochemistry in places. Most of the carbonate appears to be a late alteration product.
Potassic alteration is present in places in brecciated and veined fine-grained felsic monzonite intrusive rocks along the Bonnington Pluton/Elise Formation contact. Quartz +/- magnetite veinlets are commonly associated with this alteration.
MINERALIZATION
Mineralization on the property is widespread and varied, as shown on the Stewart Property Soil Geochemistry Map. Included are porphyry molybdenum within intrusive breccia (Stewart Moly Zone), contact/skarn related molybdenum and tungsten (Arrow Tungsten Zone), porphyry stockwork gold/copper (Craigtown Creek Area), stratabound sediment hosted gold-rich sulphides (Arlington Mine, Gold Hill), quartz-pyrite-arsenopyrite stockwork in sediments (Trixi V), sediment hosted silver-zinc-lead (Free Silver Zone), and quartz-pyrite veins with gold (Craigtown Creek).
Molybdenum
The most extensive zone of molybdenite mineralization found on the property thus far, located in the Stewart Moly Zone, is within intrusive breccia and forms a podiform, vertically dipping zone. Mineralization is primarily fine grained disseminations of molybdenite within the matrix but it also occurs as selvages associated with quartz veinlets transecting fragments, and as fracture fillings.
Between1980 and 1983, Shell Minerals and Selco drilled 23 diamond core holes in the Stewart Moly Zone, and within this breccia zone, Shell concluded that mineralization was in breccia pipes. Emgold's exploration drilling of the Stewart Moly Zone further defined that area to be a steep dipping elliptical-shaped (pipe-like) breccia body (see Stewart Moly Zone Map). Selco suggested the possibility of porphyry style molybdenum mineralization occurring adjacent to this breccia zone.
Tungsten
Tungsten mineralization occurs as scheelite and is primarily found in skarny sections of metasedimentary rocks, and located in the Arrow Tungsten Zone. Trenching of the Arrow Tungsten Zone has shown tungsten mineralization with values of 1.171% tungsten over widths of two metres and 0.594% over five metres. Diamond drilling results from the Arrow Tungsten Zone included 22.9 metres of 0.413% WO3 representing lower grade material and 1.58 metres of 0.957% W O3 representing higher grade material Significant intercepts occurred to the west of any known tungsten mineralization, which may represent a parallel zone that has not yet been evaluated.
Sampling of the Bobbi claims also showed the presence of molybdenum, tungsten and zinc mineralization.
Gold
Several areas have shown indications of gold, which could become an important byproduct or stand-alone metal to be included in assessments at Stewart. Rock chip sampling of surface outcrops has detected gold in several areas.
Surface rock sampling of the Arrow Tungsten Zone has shown spotty gold assays plus visible gold in vuggy quartz. Emgold's exploration of the Stewart Moly Zone also detected gold. Trenching assay results included a three meter wide chip sample that assayed 1,445 part per billion gold.
In the Craigtown Creek area, six types of mineralization are known. These include:
- Disseminated and fracture filling pyrite and/or pyrrhotite, +/- chalcopyrite;
- Quartz-magnetite veinlets;
- Quartz veinlet stockwork;
- Pyrite veinlets;
- Quartz-carbonate veins; and
- Quartz-sulphide veins.
Pyrite and pyrrhotite as disseminated grains and fracture fillings is common in the Craigtown Creek area. This type of sulphide is also very common in feldspar porphyry. In one area disseminated and fracture-filling pyrite and pyrrhotite in andesite tuff consistently assayed 1 to 2 grams per tonne gold in rock samples.
Quartz-magnetite veinlets are common in the north-northwest trending contact zone between the felsic monzonite intrusives and the Elise volcanics. This zone has strongly anomalous gold and copper in soils. Where sampled on the surface, rocks containing this type of mineralization contain anomalous gold (100 to 300 part per billion range) and copper (200 to 500 part per billion range).
Quartz and quartz-pyrite veinlet stockwork was observed in feldspar porphyry float in several places and in a small latite plug. Several samples have returned gold values greater than 1 gram per tonne gold.
Pyrite veinlets in mafic andesite-basalt contain highly anomalous gold values in a portion of the area explored by Minnova east of Craigtown Creek. Samples of veinlets have run in the 8 to10 gram per tonne gold range.
Quartz-carbonate veinlets are present in both the Bonnington Pluton monzonite-diorite intrusive rocks and the Elise volcanics. Samples of these rocks have weakly anomalous gold and copper.
Quartz-calcite-sulphide veins in Elise volcanic rocks were intersected in one of the 1994 Cameco drill holes. One of these veins contained 24.8 grams per tonne gold over one meter. It is possible that gold-in-soil anomalies located north of Craigtown Creek are related to this type of mineralization.
Rhenium
Rhenium, which appears to associate with molybdenite, has been identified in Emgold drill core within the Stewart Moly Zone. This rare metal may be included in future assays to determine its potential significance to the deposit. Rhenium is a rare element used with platinum as catalysts in the production of lead-free, high-octane gasoline. The metal is used in alloys for jet engines and in tungsten and molybdenum based alloys. Nickel based super-alloys for use in jet engines contain up to 6 percent rhenium, making jet engine construction the largest use for the element, with chemical industry catalytic uses being the next most important. It is widely used as filaments for mass spectrographs. Rhenium is also used as an electrical contact material. Because of low availability relative to demand, rhenium is among the most expensive industrial metals. The average rhenium North American Spot Metal Price (99.9% Re) on January 1, 2012 was US$4,359.64 per kilogram (source metalprices.com).
Silver, Lead, Zinc
The Free Silver Zone contains shear-hosted, narrow-vein mineralization within or close to the margins of a granitic stock in contact with sedimentary rocks. Both sphalerite and galena are present. Trenching results in 2007 showed elevated silver values up to 46.027 grams per tonne and corresponding lead (5.9%) and zinc (2.7%) in one sample 0.2 metres wide, along with other lead assays of 0.69% (2 meter width) and zinc values of up to 1.09% over a 2.5 meter width.
CURRENT EXPLORATION ACTIVITIES
In late 2011, Emgold raised funds for exploration of its B.C. properties. Emgold plans to conduct exploration activities at Rozan in 2012 using these funds, to further advance the Property and assess its mineral potential. Exploration program development, budgeting, and permitting tasks are currently underway.
RESOURCES
The Stewart Property is a middle stage exploration property, and no NI 43-101 compliant resources exist at this time.
MINING
Exploration would target veins and disseminated deposits suitable for mining by either surface or underground methods. Most historic exploration appears to have been searching for deposits that could be mined by surface methods.
METALLURGY
Selection of a metallurgical process would be determined following additional exploration activity, metallurgical test work, and economic studies.
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