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File Created: 19-Nov-1986 by Mary McLean (MM)
Last Edit:  17-Dec-2024 by Del Ferguson (DF)

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NMI
Name B R JEWEL, BRJ 1, HOBO Mining Division Lillooet
BCGS Map 092J076
Status Prospect NTS Map 092J15W
Latitude 050º 46' 25'' UTM 10 (NAD 83)
Longitude 122º 50' 50'' Northing 5624661
Easting 510772
Commodities Gold, Silver, Copper Deposit Types I01 : Au-quartz veins
Tectonic Belt Coast Crystalline Terrane Cadwallader, Bridge River
Capsule Geology

THE BR JEWEL prospect is situated to the east of the lower reaches of Hurley River, approximately 2 kilometres west of Bralorne, B.C.

The BR Jewel veins are hosted in Upper Triassic Pioneer Formation (Cadwallader Group) greenstone with nearby or "associated" diorite of the Permian Bralorne Igneous Complex.

The main showing (BRJ #1) is a well-defined ribboned quartz vein having gouge and crushed wallrock on either side. The northeast trending vein averages 1 metre in width and is truncated after 153 metres at its southwest end by a north trending fault. Mineralization consists of local sparse pyrite, tetrahedrite and arsenopyrite. Two select samples from the north end of the vein averaged 140.5 grams per tonne gold and 617 grams per tonne silver, while a 1 metre chip sample assayed 15.08 grams per tone gold and 37.6 grams per tonne silver (Assessment Report 7487). One drill interval assayed 21.9 grams per tonne gold and 60.34 grams per tonne silver over 0.8 metre, and 19.4 grams per tonne gold over 8 metres (Assessment Report 10529). The best assays are reported to occur where the vein is "split" by the fault. Two other veins, one (BRJ #2) 61 metres south of BRJ #1, and another (BRJ #3) 550 metres south-southwest of BRJ #1, are reported barren.

In 1938, Pioneer Gold Mines drove a 120 metre long adit (Ho Bo Adit) into the BRJ#1 vein and exposed a second area of widely-separated quartz veins (BRJ#2) in open cuts. Additionally, approximately 550 m south-southwest of the adit, 16 lenses of quartz (BR#3) were exposed by stripping and open cuts, which also uncovered two northeast-striking shear zones. In 1946, Olympic Gold Mines drilled 4 diamond drill hoes in the adit vicinity. BR Jewel Syndicate extended the Ho Bo Adit by 38 metres in 1948. Average values indicated grades of 8.57 grams per tonne gold over a 51.82 metre length and 0.833 m width.

Carl Creek Resources drilled 3 BQ diamond drill holes (326.75 metres) across the east extension of BRJ#1 vein with positive results in two holes. In 1988, Levon Resources flew the area as part of a regional airborne magnetometer and VLF-EM survey, resulting in the interpretation of two strong conductors and one medium strength conductor in the area.

In 2018, Wild West Gold Corp. produced a report on their Bralorne South property, including the Short O'Bacon, Native Son and the BR Jewel occurrences. The report included results from the previous airborne geophysics, government regional stream sediment sampling and satellite imagery interpretation (Assessment Report 37557). Programs of drone magnetometer surveys and MMI soil sampling followed in 2020 and 2022. Three areas of interest with unique magnetic signatures and coincident MMI gold soil anomalies were detected in these programs (Assessment Reports 39338, 41306).

Bibliography
EMPR ASS RPT *7487, *10529, 18477, 28370, 37557, 39338, 41306
EMPR BULL 100
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 GEOFILE 1999-01
EMPR Inspections Branch File #60163, 202559, 202561
EMPR OF 1987-11; 1988-3; 1989-4; 1990-10
EMPR PF (Report by V. Dolmage, 1945)
EMPR P 1995-3
GSC MAP 430A; 431A; 1882
GSC MEM 130; 213
GSC OF 482
GSC P 43-15; 73-17
GEOSCIENCE BC RPT 2008-01
CJES 1987, Vol. 24, pp. 2279-2291
Talisker Resources Ltd. (2020-09-02): NI 43-101 Technical Report, Bralorne Gold Project, Bralorne, British Columbia, Canada

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