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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  04-Aug-2020 by Karl A. Flower (KAF)

Summary Help Help

NMI
Name LARDEAU-GOLDSMITH Mining Division Revelstoke, Slocan
BCGS Map 082K083
Status Showing NTS Map 082K13E
Latitude 050º 48' 00'' UTM 11 (NAD 83)
Longitude 117º 31' 00'' Northing 5627712
Easting 463590
Commodities Silver, Lead Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Omineca Terrane Kootenay, Ancestral North America
Capsule Geology

The Lardeau-Goldsmith showing is located at the head of Pool Creek about 9 kilometres east of the village of Camborne.

The Lexington Mountain region is underlain by a series of metamorphosed Cambrian to Devonian sedimentary and volcanic rocks of the Lardeau Group which overlies the Lower Cambrian Badshot Formation in the east. The predominant structural features in the area are northwest trending and plunging overturned folds and regional semiconcordant to concordant faults. The strata within these structures are steeply east dipping with a variable plunge to the northwest.

Three distinct northwest striking limestone-chlorite schist contact zones spaced at roughly 1 kilometre intervals cross the property. The Index Formation (Lardeau Group) hosts similar mineralization within these zones and may represent either folded repetitions of the same contact or stratigraphic repetitions of similar depositional environments. The mineralization occurs as both disseminated and massive zones of galena, pyrite and sphalerite associated with dolomitized limestone and silicification invariably developed with siderite-rich zones containing hematite and magnetite localized along the limestone-chlorite schist contacts.

The Lardeau-Goldsmith showing is reported to have high grade silver ore; a 15-metre adit was driven in 1899. It is inferred that mineralization is similar to nearby showings consisting of pyrite, galena and sphalerite.

This area was originally explored in the late 1800s and early 1900s when prospectors discovered widespread precious and base metal mineralization. Although the following work history does not directly apply to the Lardeau-Goldsmith showing, the work covers the same ground. During 1985-86, Consolidated Trout Lake Mines Ltd. and Jazzman Resources Inc. acquired interests in two separately owned but interlocking claim groups (termed the Lexington Creek and Lime Dyke Claim Groups). In 1985, prospecting and reconnaissance geologic mapping was carried out on behalf of Lardeau Development Corp. and Triple M Mining Corporation. In 1987 and 1989, Consolidated Trout Lake Mines Ltd. established a grid and conducted soil sampling, ground magnetometer and VLF-EM surveys, geological mapping and rock sampling and an airborne geophysical survey. During 2006 through 2009, Mineral Mountain Resources Ltd. completed programs of prospecting, geochemical (soil, silt, talus fines and rock) sampling and an airborne geophysical survey on the area as the Kootenay Arc property.

Bibliography
EMPR AR *1899-673
EMPR ASS RPT 17978, 19288
GSC MEM 161
GSC OF 288; 432; 464; 481
Fingler, J. (2010-01-25): Technical Report on the Kootenay Arc Property

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