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File Created: 24-Jul-85 by BC Geological Survey (BCGS)
Last Edit:  02-Apr-92 by Dave Nelles(DMN)

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Name MONTANA Mining Division New Westminster
BCGS Map 092H054
Status Prospect NTS Map 092H11W
Latitude 49º 30' 40" N UTM 10 (NAD 83)
Longitude 121º 17' 41" W Northing 5485673
Easting 623444
Commodities Gold Deposit Types I01 : Au-quartz veins
Tectonic Belt Coast Crystalline Terrane Methow
Capsule Geology

The Montana prospect is situated approximately two kilometres southeast of Little Spider Peak and adjoins the old Idaho Crown-grant (Lot 1234) to the northwest. It is within this lot that the Carolin mine (092HNW007) was eventually developed.

The area is underlain by greenstone assigned to the Lower Triassic Spider Peak Formation in contact with serpentinite of the Coquihalla serpentine belt along a section of the East Hozameen fault. To the east, the greenstone is unconformably overlain by slaty sediments assigned to the Lower and Middle Jurassic Ladner Group.

The Montana occurrence comprises a number of 5-centimetre wide quartz veins exposed in an opencut. These veins are hosted by pyritic greenstone approximately 20 metres west of the Spider Peak Formation/Ladner Group contact. The vein is reported to have contained rich specimens of free gold. A "calcareous lead", approximately one metre wide and mineralized with pyrrhotite and pyrite, was also noted in slates to the northeast.

Approximately two tonnes of high-grade material containing 1151 grams of gold were mined at this location in 1925.

Recent information concerning this occurrence in not available.

EMPR BULL 20, Pt. IV, pp. 20-23; *79, p. 64
EMPR GEM 1973-152
GSC MAP 737A; 1988; 12-1969; 41-1989
GSC MEM *139, p. 144
GSC P 69-47
GSC SUM RPT 1919, Pt. B, pp. 30B-35B; *1920, Pt. A, pp. 33A;  1929, Pt. A, pp. 168A-169A