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File Created: 06-Aug-1986 by Gary R. Foye (GRF)
Last Edit:  24-Feb-1989 by David G. Bailey (DGB)

Summary Help Help

BCGS Map 093H002
Status Past Producer NTS Map 093H04E
Latitude 053º 03' 05'' UTM 10 (NAD 83)
Longitude 121º 44' 51'' Northing 5878721
Easting 583954
Commodities Gold Deposit Types C01 : Surficial placers
Tectonic Belt Omineca Terrane Barkerville
Capsule Geology

Placer gold deposits of the Quesnel Highland region, including the former rich producers of the Barkerville camp, have accounted for a large proportion of British Columbia's alluvial gold production. With the exception of a few producers in the Wingdam area, which are underlain by Upper Triassic sediments correlative with the Nicola Group, almost all the deposits are underlain by the Upper Proterozoic to Lower Paleozoic Snowshoe Group. These rocks have been metamorph- osed to greenschist facies and are predominantly metasedimentary.

Placer gold deposits in the region are generally found in relatively young Pleistocene gravels. The morphology and mineral associations of the gold suggests that it was derived locally, the most obvious sources are the numerous auriferous veins in the Downey succession of the Snowshoe Group.

The La Fontaine placer occurs in a gravel, silt and clay-filled former channel of Lightning Creek. Auriferous gravels in this channel occur immediately above bedrock which in this area consists of rocks belonging to the Snowshoe Group.

"Data from the Cariboo mining district indicate that supergene leaching of gold dispersed within massive sulphides by Tertiary deep weathering followed by Cenozoic erosion is the most likely explanation for the occurrence of coarse gold nuggets in Quaternary sediments" (Exploration in British Columbia 1989, page 147).

EMPR AR 1875-608; 1876-418; 1896-509; 1898-976; 1903-57-59; 1904-43; 1905-52; 1906-39; 1907-39; 1921-113; 1922-121; 1931-85; 1935-C12-C13; 1946-198
EMPR EXPL 1987, p. C289; 1989, pp. 147-169
EMPR ASS RPT 16315, 16512
EMPR FIELDWORK 1988, pp. 377-385; 1990, pp. 331-356; 1992, pp. 463-473
EMPR PF (Mining Lease Indenture, Eleven of England Claim, 1895; Map of Lightning Creek Property, Consolidated Gold Alluvials of B.C. Ltd., c. 1935; MacKenzie, D.C., 1935, Report on Lightning Creek Properties, Consolidated Gold Alluvials of B.C. Ltd.; Map of Lightning Creek Property, 1946; Jones, R. 1989, Summary Report - Property Acquisitions and Phase I Drilling Program in the Wells Area, B.C.; La Fontaine claim, date unkown)
GSC MEM 149, pp. 167-170