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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  12-Jun-1986 by Brian Grant (BG)

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NMI 082G13 Zn1
Name ESTELLA (L.6411), ESTELLA MINE Mining Division Fort Steele
BCGS Map 082G072
Status Past Producer NTS Map 082G13E
Latitude 049º 46' 10'' UTM 11 (NAD 83)
Longitude 115º 36' 19'' Northing 5513930
Easting 600431
Commodities Silver, Lead, Zinc, Cadmium, Copper, Gold Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Foreland Terrane Ancestral North America
Capsule Geology

The Estella deposit is a vein-type consisting of massive galena, sphalerite, and pyrite in a zone of fracturing and shearing within Helikian Aldridge Formation (Purcell Supergroup) quartzites and argillites. The fracture zone with the sulphide mineralization is spatially related to the contact of a Mesozoic syenite stock. Quartz is not abundant within the sulphide ore but exists in crosscutting veinlets which carry little or no sulphide. The lode ranges from a single fracture of several centimetres to a zone 4 to 6 metres wide. Locally the ore zone and/or the host stratigraphy is strongly silicified. Although there were sulphides remaining when production ceased, these were for the most part contained in the narrower portions of the fracture systems and hence would not constitute economically recoverable reserves.

EMPR AR 1896-522; 1897-526; 1898-1031; 1899-593,659; 1900-797; 1901-1005; 1902-130; 1903-93; 1904-108; 1905-248; 1910-90; 1916-191; 1920-140; 1927-266; 1929-297; 1950-155; 1951-40, 186; 1952-42,199; 1953-45,150; 1954-49,148; 1955-70; 1958-A45,61; 1959-A47; 1962-87; 1963-A48,82; 1964-133; 1966- 241; 1967-272
EMPR ASS RPT 68, *8835, 19671, 20175
EMPR FIELDWORK *1977, p. 15
EMPR GEM 1970-472
EMPR OF *1988-14
EMPR PF (*Underground Workings, Assay Plan (1951), Development Workings, Vertical Section, Assay Plan)
EMR MP CORPFILE (United Estella Mines Ltd.; Copper Soo Mining Co.; Giant Mascot Mines Ltd.; Giant Soo Mines Ltd.)
GSC MAP 11-1960
GSC P 58-10