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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  11-Apr-1991 by Laura L. Coughlan (LLC)

Summary Help Help

Name CURLEW (L.1220) Mining Division Trail Creek
BCGS Map 082F001
Status Past Producer NTS Map 082F04W
Latitude 049º 03' 23'' UTM 11 (NAD 83)
Longitude 117º 48' 02'' Northing 5434033
Easting 441512
Commodities Silver, Gold, Lead, Zinc, Copper, Antimony Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Omineca Terrane Quesnel, Plutonic Rocks
Capsule Geology

The Curlew workings are hosted by the Lower Jurassic Rossland Group (Elise Formation) augite porphyry, known as the Rossland sill. The porphyry is dark green with phenocrysts of dark augite which are partly altered to hornblende. The Early Jurassic Rossland monzonite stock intrudes the Rossland Group rocks and the Curlew Crown Grant lies within the zone of thermal metamorphism.

The underground workings were initially centred on an ore vein from 15 to 25 centimetres wide. The ore is reported to be similar to that of the Blue Bird (082FSW145) which consists of quartz veins con- taining pyrite, sphalerite, galena, arsenopyrite, stibnite, chalco- pyrite, pyrrhotite and boulangerite. The ore is reported to have given assays from 10 to 17 grams per tonne gold and from 2400 to 2740 grams per tonne silver (Minister of Mines Annual Report 1896, page 31).

In 1908, 6 tonnes of ore were mined from a vein which produced 62 grams of gold and 3,608 grams of silver.

EMPR AR *1896-17,31; 1897-570; 1899-717; 1908-105,247
EMPR ASS RPT 24, 34, *16751
EMPR BULL 74; 109
EMPR FIELDWORK 1987, pp. 19-30; 1988, pp. 33-43; 1989, pp. 11-27; 1990, pp. 9-31
EMPR OF 1988-1; 1989-11; 1990-8; 1990-9; 1991-2; 1991-16
GSC MAP 1090A; 1504A; 1518
GSC MEM 77, p. 163; 308, pp. 150,151,155
GSC OF 1195
GSC P 79-26
ECON GEOL Vol.68, 1973, pp. 1337-1346
PERS COMM Andrew, K., March 1991
Thorpe, R.I. (1967): Controls of Hypogene Sulphide Zoning, Rossland, British Columbia, Ph.D. Thesis, University of Wisconsin