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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  08-Nov-2024 by Del Ferguson (DF)

Summary Help Help

NMI 092J16 Hg1,2
Name EAGLE MERCURY, EAGLE, GOLDEN EAGLE, RED EAGLE Mining Division Lillooet
BCGS Map 092J099
Status Past Producer NTS Map 092J16W
Latitude 050º 56' 25'' UTM 10 (NAD 83)
Longitude 122º 15' 55'' Northing 5643441
Easting 551621
Commodities Mercury, Silver, Gold, Antimony, Arsenic, Copper Deposit Types E01 : Almaden Hg
I08 : Silica-Hg carbonate
H05 : Epithermal Au-Ag: low sulphidation
Tectonic Belt Coast Crystalline Terrane Methow, Bridge River
Capsule Geology

The EAGLE MERCURY prospect is 1.5 kilometres north of the confluence of Shulaps Creek with the Yalakom River, approximately 36.5 kilometres northwest of Lillooet, B.C.

The prospect is within green and purple greenstone and diorite-greenstone breccia assigned to the East Liza Igneous Complex which, in turn, is tentatively correlated with the Permian Bralorne Igneous Complex (Bralorne Intrusions).

The greenstone and diorite-greenstone breccia are commonly altered to ankerite, which forms irregular lenticular zones, laced with dolomite stringers. Cinnabar occurs as discrete grains and blebs in the dolomite veinlets or as short crosscutting hair-like stringers.

In 1968, 113 tonnes of ore were mined from which 172 kilograms of mercury were recovered. A 22-kilogram bulk sample collected in 1938 contained 0.44 per cent mercury and 14.74 grams per tonne silver. A floatation concentrate from this sample assayed 3.6 grams per tonne silver and 0.514 grams per tonne gold (Assessment Report 16280).

In 1966 the Eagle Mercury prospect was amalgamated with the Red Eagle prospect (092JNE078) across the Yalakom River, as the Eagle Property. Work completed by Lillooet Mercury Mines Ltd. and later Condor Mines Ltd. by 1971 included 4,785 metres of diamond drilling, 274 metres of underground exploration, 1, 768 metres of trenching, stripping and surveying and geological mapping. Reserves for the whole area are estimated at 641,702 tonnes at a grade of 10.21 kilograms of per tonne mercury (1 per cent) (George Cross News Letter No.122, 1971). Indicated and measured ore has been estimated at 1,658,000 tonnes grading 0.195 per cent mercury (Assessment Report 16280).

Sporadic work continued throughout the 1970s and 1980s. In 1991, Comaplex Minerals Corp. conducted rock and talus sampling across the property. None of the samples returned anomalous gold values, but one float sample (Sample 91782203) of malachite-stained rock from the Red Eagle showing vicinity returned readings of 0.8 per cent copper and 0.13 per cent antimony (Assessment Report 21937).

In 2019, Talisker Resources Ltd. conducted a geological and geochemical sampling program over their Lola project area, including the Eagle property. Prospecting along ankerite-silica alteration corridors included the collection of 62 rock samples, 32 talus fines and 321 soil samples. Although no gold and silver anomalies were detected, high values of mercury, antimony and arsenic were common. Sample number C0009893, an altered greenstone from the Eagle Mercury prospect, hosting disseminated tetrahedrite, malachite and azurite along fractures returned values of 4140 parts per million mercury, 184.5 parts per million antimony, 5.63 grams per tonne silver, 1310m parts per million arsenic and 1.2 per cent copper (Assessment Report 39157).

In 2021, Talisker continued exploration with the collection of 18 rock samples and 773 soil samples on the Lola property, successfully identifying gold and pathfinder element soil anomalies. Rock sample R0105061 collected from a road cut outcrop 2.7 kilometres southwest of the Eagle Mercury prospect, south of Shulaps Creek, returned values of 14.35 grams per tonne gold, 1.08 grams per tonne silver, 37,800 parts per million arsenic and 116 parts per million antimony (Assessment Report 40008).

Bibliography
EMPR AR 1939-100; 1941-80; 1966-137; 1968-161; 1968-A53
EMPR ASS RPT *16280, 21937, *39157, 40008
EMPR BULL 5, p. 64; 32, p. 52
EMPR FIELDWORK 1974, p. 35; 1985, pp. 303-310; 1986, pp. 23-29; 1987,
pp. 93-130; 1988, pp. 105-152; 1989, pp. 45-72; 1990, pp. 75-83
EMPR GEM 1969-188; 1971-312
EMPR GEOFILE 1999-01
EMPR OF 1987-11; 1988-3; 1989-4; 1990-10
EMPR PAPER 1995-03
EMPR PF (Report by V. Eardley-Wilmot, 1938)
EMR MIN BULL MR 223 B.C. 164
CJES v.28, no. 2, pp. 195-208
GCNL *#122, 1971 (Reserves)
GSC OF 482

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