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File Created: 20-Jul-1992 by Peter S. Fischl (PSF)
Last Edit:  09-Jun-2020 by Karl A. Flower (KAF)

Summary Help Help

NMI
Name V.M. 4, SIWASH SILVER Mining Division Similkameen
BCGS Map 092H079
Status Showing NTS Map 092H16W
Latitude 049º 46' 30'' UTM 10 (NAD 83)
Longitude 120º 20' 17'' Northing 5517015
Easting 691651
Commodities Zinc, Copper, Lead, Gold, Silver Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
L04 : Porphyry Cu +/- Mo +/- Au
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

This occurrence is 200 metres northeast of Saskat Creek and 2.05 kilometres northwest of the confluence of Siwash and Tepee creeks.

The V.M. 4 showing is hosted in a stock of quartz porphyritic monzonite ("quartz-eye porphyry"), quartz feldspar porphyry and granite of the early Tertiary Otter intrusions, within granite and granodiorite of the Middle Jurassic Osprey Lake batholith.

A drillhole intersected alternating sections of quartz porphyritic monzonite and quartz feldspar porphyry exhibiting siderite and chlorite alteration and rare potassium feldspar flooding. Minor phyllic alteration is also evident.

The intrusives are mineralized with disseminated pyrite and specular hematite, and minor veins and blebs of sphalerite, chalcopyrite and rare galena. The pyrite and hematite suggest this mineralization has formed on the fringe of a porphyry hydrothermal system (Assessment Report 9936).

In 1980, drill hole SS-80-10 yielded intercepts of up to 1.64 gram per tonne gold, 39.7 grams per tonne silver and 0.203 per cent lead over 0.5 metre (Besserer, D.J. (2007-05-27): Technical report on the precious and base metal potential of the Siwash Creek Property).

The area has been explored in conjunction with the nearby Snowstorm (MINFILE 092HNE032) occurrence and completed exploration history can be found there.

Bibliography
EMPR ASS RPT 7547, 7992, 8696, 8926, 9936, 15863, 19472
EMPR EXPL 1979-159,160; 1980-210; 1981-160
EMPR PF (International Tower Hill Mines Ltd. (1991): Prospectus,
Vancouver Stock Exchange (see 092HNE032))
GSC MAP 888A; 1386A; 41-1989
GSC MEM 243
GSC P 85-1A, pp. 349-358; 91-2, pp. 87-107
CIM Special Volume 15, Map B (Occurrence 313) (1976)
*Besserer, D.J. (2007-05-27): Technical report on the precious and base metal potential of the Siwash Creek Property
Besserer, D.J. (2008-06-12): Technical report on the precious and base metal potential of the Siwash Creek Property
Besserer, D.J. (2010-08-30): Technical report on the precious and base metal potential of the Siwash Creek Property
Moroney, D.M. (2012-06-04): Technical Report on the Siwash Creek and River Wild Properties

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