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File Created: 15-Jul-1991 by Garry J. Payie (GJP)
Last Edit:  12-Mar-2018 by Karl A. Flower (KAF)

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NMI
Name ARCHIBALD, X-CAL Mining Division Lillooet
BCGS Map 092J068
Status Showing NTS Map 092J09W, 092J10E
Latitude 050º 39' 03'' UTM 10 (NAD 83)
Longitude 122º 29' 37'' Northing 5611120
Easting 535799
Commodities Lead Deposit Types I01 : Au-quartz veins
Tectonic Belt Coast Crystalline Terrane Bridge River
Capsule Geology

The Archibald occurrence is located in the south eastern headwaters of Connel Creek, north east of Diorite Peak.

In the region, the Cadwallader and Ferguson faults transect sedimentary and volcanic rocks of the Mississippian to Jurassic Bridge River Complex (Group) and the Upper Triassic Cadwallader Group. Linear, altered serpentenite zones of the President Ultrabasic, correlative with Permian and older Shulaps Ultramafic Complex, mark faults that have controlled the emplacement of diorite of the Permian Bralorne Igneous Complex. The above sequence lies between bodies of the Jurassic to Tertiary Coast Plutonic Complex and outlying granodiorite of the Cretaceous to Tertiary Bendor pluton.

The Archibald quartz vein strikes from 120 to 130 degrees for about 800 metres, dipping 55 degrees southwest to 86 degrees north. Minor galena and pyrite were noted at the northwest end of the vein. The vein is hosted by listwanite-altered ultramafic rocks and diorite.

The area was originally explored by pits and trenches in the early 1930’s along with the nearby Silicon Ridge (MINFILE 092JNE156) occurrence. In 1983, X-Cal Resources completed a program of rock and silt sampling and geological mapping on the area as the Mac and X-Cal claims. In 1985, Hudson Bay Exploration and Development completed a program of geochemical sampling, geological mapping and a ground electromagnetic survey. In 1989 and 1990, Teck completed programs of rock, silt and soil sampling, geological mapping and a ground electromagnetic survey on the area as the Veegee property. In 1991, Cogema completed a program of geochemical sampling and geological mapping on the area.

Bibliography
EMPR ASS RPT 11749, 11876, 14382, 19276, *19606, 22120
EMPR FIELDWORK 1987, pp. 93-130; 1988, pp. 105-152; 1989, pp. 45-72
EMPR OF 1988-3; 1989-4; 1990-10
GSC OF 482

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