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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  27-May-2013 by Karl A. Flower (KAF)

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NMI 092F2 Au5
BCGS Map 092F017
Status Past Producer NTS Map 092F02E
Latitude 049º 10' 39'' UTM 10 (NAD 83)
Longitude 124º 39' 40'' Northing 5448516
Easting 378937
Commodities Gold, Silver, Copper, Zinc Deposit Types I01 : Au-quartz veins
G06 : Noranda/Kuroko massive sulphide Cu-Pb-Zn
I06 : Cu+/-Ag quartz veins
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Debbie occurrence is located in the head waters of Mineral Creek, approximately 1.6 kilometres north of China Creek.

The area is underlain by andesitic to basaltic flows, pillowed basalts, tuff, agglomerates, cherty tuffs and chert of the Paleozoic Sicker Group. These comprise the Devonian Nitinat, Duck Lake and McLaughlin Ridge formations. The north-northeast striking Mineral Creek fault cuts the subparallel striking stratigraphy. Four mappable units include intermediate to mafic volcanics, bedded volcaniclastics, mylonite and foliated volcanics. The Yellow and adjoining Debbie properties contain two main gold zones known as the Mineral Creek and Linda zones. The Mineral Creek zone occurs within the immediate hanging wall of the east dipping Mineral Creek fault and has a 600 metre strike length. The width ranges from 46 to 61 metres. The Mineral Creek zone is 150 metres north and on strike with the old Vancouver Island Gold mine and extends onto the Yellow claims. Two styles of mineralization are present in the Mineral Creek zone: 1) gold occurs in a wide zone of cataclasis and pervasive ankerite-quartz-sericite-pyrite alteration with minor arsenopyrite in bedded volcaniclastic and aphyric basalt flow rocks adjacent to the fault and 2) gold in quartz veins with minor pyrite and arsenopyrite cutting both the alteration zone and its immediate hanging wall aphyric basalt host. The veins are considered to be possibly Tertiary in age.

Inferred reserves (geological mineral inventory or volume of mineralized rock) for the Mineral Creek zone are estimated at 99,443 tonnes grading 3.017 grams per tonne gold, and for the extension onto the Yellow claim an additional 73,960 tonnes at 3.67 grams per tonne gold are inferred (Northern Miner - December 18, 1989).

The Linda zone (Yellow), located 200 metres east of the Mineral Creek fault, is a set of quartz-clay-ankerite/calcite-minor pyrite and arsenopyrite veins with native gold. The veins, which are haloed by narrow ankerite-sericite-pyrite selvages, occur within a 600-metre northeast strike and 230 metre width. The Linda zone includes the various veins described under the old Vancouver Island Gold mine which produced 365 tonnes of ore yielding 9425 grams of gold, 1679 grams of silver and 88 kilograms of copper from 1898 to 1936. mineralized rock) for the Linda zone are estimated at 41,164 tonnes grading 9.153 grams per tonne gold (Northern Miner - December 18, 1989).

A 2-kilometre exploration tunnel was completed in March 1989. The tunnel was constructed to allow access to the Mineral Creek and Linda zones and for use as a drilling platform. The highest assay as a result of 1988 drilling in the tunnel on the Mineral Creek zone was 19.78 grams per tonne gold (Assessment Report 18936). Anomalous gold values were found to be associated with quartz veins in argillaceous cherts and visible gold was observed.

The three main gold-bearing quartz veins that were developed from the old workings are, from west to east, the Mac (called the Dunsmuir to the north), the Belcher and the Waterfall. The veins follow well-developed shear zones on the east side of Mineral Creek. They are lens-shaped and consist of two generations of quartz. Pyrite, arsenopyrite and minor sphalerite are disseminated in the veins and free gold has also been reported.

The Mac vein, the main working, was traced for 75 metres by several opencuts and two adits. The vein averages 0.14 metre in width, ranging from 0.07 to 0.45 metre. The vein strikes northeast in the south part and north in the north part, dipping between 40 to 55 degrees. Sixty three samples taken over the length of the vein averaged 126.5 grams per tonne gold over 15 centimetres (Assessment Report 14483).

The Belcher vein is exposed in several opencuts and one adit over 290 metres. It strikes north, dips 40 to 45 degrees and is up to 1.2 metres wide, averaging 0.20 metres. Sampling in 1973 resulted in assays from 0.1 to 9.95 grams per tonne gold and from 2.1 to 3.4 grams per tonnes silver over 1.5 metre lengths (Assessment Report 14483).

The Waterfall vein is exposed by a few trenches over 35 metres, strikes north and dips about 65 degrees east. Widths range from 0.08 to 0.75 metre. Sample values were generally low except for one which assayed 404 grams per tonne gold over 0.15 metres (Assessment

Inferred and indicated geological reserves in three zones are 471,956 tonnes grading 6.23 grams per tonne gold (Westmin Resources Ltd. 1990 Annual Report).

From 2006 through 2008, Bitterroot Resources Ltd. drilled 60 holes in the Linda area, most targeted to test the Linda Zone (Ember Vein). The vein's thickness ranges from a few centimetres to 1.3 metres and in places it splits into two or three veins. The gold grades vary from trace up to 467.0 grams per tonne gold and the highest grades are often accompanied by visible gold grains. One of the better intercepts, from MC2009-E57, returned a 4.4 metre wide vein/breccia interval of the Ember Zone averaging 75.35 grams per tonne gold, however, this grade was enhanced by two relatively narrow intervals of 0.4 metre and 0.6 metre that both assayed greater than 200 grams per tonne gold (Assessment Report 32204).

During drilling of the Ember vein another quartz vein (HW Zone) was intersected, approximately 30 metres in the hanging wall, averaging approximately 0.5 metre in thickness. An intersection of the HW vein in hole MC2009-E53 returned a 0.55 metre interval grading 137.5 grams per tonne gold and was noted to contain local visible gold. Another interval, possibly from the HW vein, returned high-grade silver mineralization, up to 1,170 grams per tonne silver over 0.15 metre, in hole MC2009-E35 (Assessment Report 32204).

EMPR AR 1895-650; 1896-1,504,Bull 1-6; 1897-566,569; 1898-1132,1160;
1899-151,796; 1933-250; *1934-A28,29,F2-4; *1936-F25-30; 1944-148
EMPR ASS RPT 4915, 5443, 6153, 9111, 10206, 11278, 13700, *14483
15909, 18936, *32204
EMPR EXPL 1983-196,197; 1985-141; 1986-A70; 1987-A74,*B28-B34;
EMPR FIELDWORK 1988, pp. 61-74
EMPR GEM 1973-230; 1974-173
EMPR INDEX 3-187, 217
EMPR MAP 65 (1989)
EMPR OF 1987-2; 1988-24; *1989-6; 1992-1
EMPR P 1988-4; 1991-4, p. 102
EMPR PF (Plan of Vancouver Island Gold Mine workings (date unknown);
Warren, H.V. (1933): Report; Sketch of Workings 1936-37; Laanela,
H. (1965): Report for Gunnex Ltd.; Nexus Resource Corporation
Statement of Material Facts, July 22, 1987; Reward Resources Ltd.
Statement of Material Facts Oct. 2, 1987; Angle Resources Ltd.
Statement of Material Facts, Dec. 16, 1987; Nexus Resources Corp.
Annual Report 1988; Westmin Resources Ltd. Annual Report 1988 (in
092F 331); Report on Debbie and Yellow Projects c. 1988;
Geological and field notes, 1988-89; Photographs; M.E.G. Talk
notes, 1988; Westmin Annual Report 1987; Notes on regional and
property geology by N. Massey; T. Schroeter notes, 1987;
Prospectus excerpt, 1987; drill results, 1986/7; maps, surface
and underground; 1984 - 2000; District Geologist photos & assays,
1994, 2000; Stewart, A.J. and Leslie, D.R. (1992): 900 Vein, Bulk
Sample Mine Plan for Westmin Resources Limited; Filing Statement,
White Hawk Ventures Inc., 1993; Sleeman, B.E.G. (1996): Debbie
900 Zone, Proposed Continuation of Test Bulk Sample and Milling
Program for White Hawk Ventures Inc,; Christopher, P. (1987):
Report on the Yellow Property for Angle Resources Ltd.;
Christopher, P. (1987): Report on the Debbie Property for Angle
Resources Ltd.)
GSC MAP 17-1968; 49-1963
GSC OF 463; 1272
GSC P 68-50, p. 38; 79-30
CIM Vol.83, No.935, March 1990 pp. 125-135
GCNL #160,#210,#226,#227,#240,#244, 1986; #7,#10,#35,#39,#41,#46,#48,
#71,#74,#121,#123,#136,#141,#153,#197,#230, 1987; #3,*#8,#21,#30,
#54, #117,#131,#210,#224, 1988; #4,#27,#35,#44(Mar.3),#70,#231,
#79(Apr.24), 1990; #23(Feb.1), 1991; #96(May 20), 1997
N MINER Dec.15, 1986; Feb.9, Mar.9, Oct.26, Dec.7, 1987; Feb.8,9,
Sept.12, Nov.14, 1988; Mar.6, Apr.17, Dec.18, 1989
N MINER Advertising Supplement March 1989
NW PROSPECTOR Dec.86/Jan.87; Jan.87; Dec.87/Jan.88; Oct./Nov.88;
PR REL Nexus Resources Corp. Apr.11,Aug.3, 1989
V STOCKWATCH Nov.28, 1986; Jan.28,Apr.15,Jun.23,25,Jul.15,16,Aug.12,
Oct.14, 1987; Jan. 13, 1988; Aug.9, Nov.30, 1989; Dec.2, 1993;
May 29, 1996; Nov.14, 1997
W MINER Nov.10, 1986
Hudson, R. (1997): A Field Guide to Gold, Gemstone & Mineral Sites of
British Columbia, Vol. 1: Vancouver Island, p. 138
Placer Dome File
The Vancouver Sun Dec.10, 1987, p.E6
Falconbridge File