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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  19-Jan-2006 by George Owsiacki (GO)

Summary Help Help

NMI
Name VMS 23 Mining Division Revelstoke
BCGS Map 082K053
Status Showing NTS Map 082K12E
Latitude 050º 35' 05'' UTM 11 (NAD 83)
Longitude 117º 34' 14'' Northing 5603801
Easting 459608
Commodities Lead, Zinc, Molybdenum Deposit Types K07 : Mo skarn
K02 : Pb-Zn skarn
Tectonic Belt Omineca Terrane Kootenay
Capsule Geology

The VMS property is underlain by a northwest striking, moderately to steeply southwest dipping sequence of metasedimentary rocks of the Upper Mississippian to Permian Milford Formation near the northern margin of quartz monzonitic intrusive rocks of the Middle Jurassic Kuskanax batholith. The metasediments are predominantly blue-grey to black, graphitic phyllite and argillite with pyrite commonly found as streaks of very fine grained material paralleling bedding or foliation. Smaller amounts of light grey to dark grey quartzites, thinly laminated quartzitic siltstone and phyllitic quartzites occur in the black sequence. Minor bands of recrystallized, blue-grey limestone are found at various places within the light coloured quartzitic sequence. A series of highly deformed, biotite-quartz-feldspar schists and gneisses of the Cambrian to Devonian Lardeau Group also occur and contain bands of calcareous material (largely converted to marble or skarn). The marble is an extremely coarse mixture of calcite crystals and muscovite. The skarn is a dense, green-brown colour with garnet and tremolite or diopside and is frequently rusty weathering from contained pyrite and pyrrhotite. Numerous aplitic and felsic dikes intrude the metasediments and are probably genetically related to the Kuskanax batholith.

An outcrop exposed in a creek on the VMS 23 claim contains very fine grained, disseminated specks of molybdenite along with some fine-grained galena and sphalerite. The mineralization is found in a 1.5 metre wide lens of limestone which pinches out at one end and is truncated by a leucocratic dike at the other.

The VMS claims were staked in 1971 on behalf of Pan Ocean Oil Ltd. to cover geochemically anomalous molybdenum values from reconnaissance prospecting. Work carried out in the same year consisted of prospecting, geological mapping and soil and rock sampling. In 1978, Newmont Mines Limited staked the TL and Ash claims to cover the showings and conducted geological mapping and silt and rock sampling in 1978 and 1979.

Bibliography
EMPR ASS RPT *3804, 7889, 7913
EMPR EXPL 1978-E82,E83
EMPR GEM 1972-78
EMPR BULL 45
GSC MEM 161
GSC OF 288; 432; 464; 481

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