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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  26-Mar-2018 by Karl A. Flower (KAF)

Summary Help Help

NMI 082F10 Pb10
Name DAVE 3, LA FRANCE CREEK Mining Division Nelson
BCGS Map 082F057
Status Prospect NTS Map 082F10E
Latitude 049º 30' 42'' UTM 11 (NAD 83)
Longitude 116º 40' 04'' Northing 5484391
Easting 524050
Commodities Barite, Silver, Lead, Zinc, Fluorite, Copper Deposit Types I11 : Barite-fluorite veins
E17 : Sediment-hosted barite
I05 : Polymetallic veins Ag-Pb-Zn+/-Au
J01 : Polymetallic manto Ag-Pb-Zn
Tectonic Belt Omineca Terrane Ancestral North America
Capsule Geology

The Dave 3 (La France) occurrence is located in the south eastern head waters of La France Creek, approximately 8.5 kilometres east of the creek mouth on Kootenay Lake.

The area is underlain by siltstone, argillite, quartzite and dolomite of the Middle Proterozoic Dutch Creek Formation (Purcell Supergroup) and folded limestone, dolomite, argillaceous schist and chloritic schist of the Upper Proterozoic Horsethief Creek Group.

Locally, brecciated limestone and quartzite host mineralized quartz-carbonate veins contain limited galena, sphalerite, pyrite, tetrahedrite, chalcopyrite, barite and fluorite. Replacement-type mineralization is reported in the quartzite, near the contact with the argillite. The mineralization has been followed, intermittently, over a strike length of approximately 400 metres. Oxidation and sericite alteration is also reported.

In 1980, sampling of trench T+600 yielded up to 1.15 per cent zinc over 9.7 metres, while grab samples (K110R to K1112R) from trench T+300 assayed up to 1.69 per cent zinc, 0.165 per cent lead, 1.1 grams per tonne silver and 0.228 per cent barium, and grab samples (K109R and K110R) from trench T+700 assayed up to 1.82 per cent zinc, 0.129 per cent lead, 0.9 gram per tonne silver and 0.216 per cent barium (Assessment Report 8640).

In 1981, diamond drilling intersected disseminated galena and sphalerite mineralization in a carbonate close to the contact with an overlying argillite. No assays were reported from the drill core.

In 1990, rock sampling yielded up to 72.2 grams per tonne silver, 0.543 per cent zinc, 1.90 per cent lead (RV9020; Assessment Report 20708). Re-sampling of past drill cores, performed the same year, yielded values up to 0.165 per cent lead, 0.100 per cent zinc and 7.5 grams per tonne silver over the last 3 metres of hole 81K1, while drill hole 81K3 intersected 0.168 per cent lead, 0.196 per cent zinc and 6.7 grams per tonne silver over 3 metres (Assessment Report 20708).

During 1975 through 1979, David Wiklund conducted programs of soil sampling on the area as the Dave claims. In 1980 and 1981, Norcan Energy Resources completed programs of rock and soil sampling, geological mapping, trenching, a ground electromagnetic survey and seven diamond drill holes, totalling 478.7 metres, on the area. In 1990, Cominco completed a program of geological mapping and rock, soil and previous drill core sampling on the area. In 1995, Hunter Resources completed a program of prospecting and minor trenching on the area. In 2011, Teck Resources completed a program of geological mapping on the area as the Crawford property.

Bibliography
EMPR AR 1900-855; 1906-251
EMPR ASS RPT 5632, 5651, 5710, 6231, 6562, 6901, 7402, 8025, *8640, 9758, *20708, 24329, 33001
EMPR EXPL 1975-E36, 1977-E48, 1978-E60, 1979-66; 1980-77
EMPR INF CIRC 1996-1, p. 20
EMPR OF 1992-16
GSC MAP 603A
GSC MEM 228
Placer Dome File

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