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File Created: 31-Aug-1989 by George Owsiacki (GO)
Last Edit:  10-May-2021 by Karl A. Flower (KAF)

Summary Help Help

NMI
Name BRUCE, GOLD CHIP II, GOLD CHIP 2 Mining Division Omineca
BCGS Map 093K002
Status Showing NTS Map 093K04W
Latitude 054º 04' 59'' UTM 10 (NAD 83)
Longitude 125º 47' 13'' Northing 5996354
Easting 317703
Commodities Gold, Silver Deposit Types H05 : Epithermal Au-Ag: low sulphidation
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The Bruce property is located 3 kilometres north of Francois Lake and 4 kilometres west of Tchesinkut Lake. The claims are centered on a small outcrop, 300 metres north of a major side road.

The Bruce occurrence area is underlain by Cretaceous to Tertiary Ootsa Lake Group andesitic volcanic rocks and rhyolitic rocks and tuffs overlain by Lower Cretaceous Skeena Group conglomerates and siltstones. A diorite dike trending 030 degrees cuts the andesite which are comprised of propylitic altered flows and flow breccia. Vesicles are commonly filled with quartz, chalcedony, epidote, and calcite. The rhyolitic rocks contain vugs and fracture-fillings of chalcedony and locally, bitumen.

Quartz veins, stockworks and breccia-fillings are hosted by the andesite. The main vein strikes 055 degrees with steep dips to the northwest and is up to 0.7 metres wide with limited lateral extent (up to 30 metres). The quartz is white, locally banded, and vuggy. Disseminated pyrite occurs locally. A grab sample of the quartz veining assayed 3.88 grams per tonne gold and 3.2 grams per tonne silver (Assessment Report 16786) and other samples have returned up to 8.6 grams per tonne gold.

Two parallel stringer systems of mineralized quartz in fractures and shear zones in andesite, striking 030 to 050 degrees, are noted 100 metres to the west of the main vein. Gold values from this zone have included 4450, 1645 and 360 parts per billion (Property File Placer Dome Atna Resources Ltd., 1987).

Work History

In 1982, geophysical and soil geochemical surveys were performed by Chevron Standard Limited on the Mukaluk (093K 062), Weasel (immediately east of Mulvaney Lake), Bugsy (immediately east of Anderson lake) and Slippery claims (1 kilometre south of the Bugsy claims) in the Bruce occurrence area. A number of anomalous areas were identified but subsequent diamond drilling failed to find any significant mineralization. The highest values encountered were from a 0.60-metre section grading 108 parts per million copper, 8 parts per million lead, 326 parts per million, 3 parts per million silver and 20 parts per billion gold on the Slippery claims (Property File Chevron Northcote, K.E., 1982).

In 1987, the Bruce claims were staked as part of the Nechako Joint Venture between Imperial Metals, Atna Resources, and Interaction Resources. Soil sampling of the claims returned generally low values for gold.

During 2008 through 2010, William Amey prospected the area as the Gold Chip II property.

Bibliography
EMPR ASS RPT *16786, 31191, 31783
EMPR EXPL 1988-C165; 1992-69-106
EMPR FIELDWORK 1992, pp. 475-482
EMPR PF Chevron (Chemex Labs Ltd. (1981-03-12): Geochemical Certificates of Analysis - A8115504 - Bugsy, Mukaluk, Python, Slippery, Gypsy Claims; Isherwood, D. (1981-12-31): Airborne Electromagnetic Survey, Burns Lake Area; Northcote, K.E. (1981-12-31): Geological and Geochemical Report on the Mukaluk, Weasel, Bugsy and Slippery Claims of the Burns Lake Area; Jones, D. (1981-12-31): Geophysical Report on the Nechako Project; unknown (1982-01-01): Map of Francois Lake Project, area to be flown - Slippery and Weasel Claims; Northcote, K.E. (1982-12-31): Supplemental Report - Diamond Drilling and Soil Geochemistry of the Slippery, Weasel, Mukaluk and Bugsy Claims)
EMPR PF Placer Dome (Atna Resources Ltd. (1987-01-01): Nechako Joint Venture Regional Reconnaissance Program)
GSC MAP 631A; 907A; 1424A
GSC MEM 252
GSC OF 2593, 3184
GSC P 90-1F, pp. 115-120; 91-1A, pp. 7-13
Chevron File

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