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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  23-Feb-1989 by David G. Bailey (DGB)

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Name SHEPHERD CREEK, REES Mining Division Cariboo
BCGS Map 093H013
Status Past Producer NTS Map 093H04E
Latitude 053º 08' 19'' UTM 10 (NAD 83)
Longitude 121º 32' 39'' Northing 5888680
Easting 597385
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.

In the upper part of Shepherd Creek there is a series of old stream channels that have been partly cut away by more recent streams and have been modified by glacial erosion and deposition. Included in the old stream channels is at least one that is a cross channel to the present Shepherd Creek. The old channels are filled with gravels that are mainly glacial. Gold is unevenly distributed within the gravels and is most abundant on bedrock. Little gold occurs in the lower part of Shepherd Creek where the creek flows in a narrow, deep valley.

"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 1892-1894-tables; 1892-527; 1893-1038; 1894-727; 1895-657; 1898-976; 1899-609; 1900-736; 1914-53; 1915-55; 1916-38; 1926-167; 1927-167; 1928-194; 1929-199; 1940-91; 1941-86; 1943-83; 1947-191; 1948-175; 1950-199; 1951-204
EMPR FIELDWORK 1990, pp. 331-356; 1992, pp. 463-473
EMPR BULL 28, pp. 22,28
EMPR ASS RPT 14517, 16109
EMPR EXPL 1986, p. C339; 1987, p. C288; 1989, pp. 147-169
GSC MEM *149, pp. 126,130-132
EMPR PFD 681607