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File Created: 16-Jul-1991 by Garry J. Payie (GJP)
Last Edit:  12-Mar-2018 by Karl A. Flower (KAF)

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NMI
Name MOUNT MORGAN, X-CAL Mining Division Lillooet
BCGS Map 092J058
Status Showing NTS Map 092J10E
Latitude 050º 34' 39'' UTM 10 (NAD 83)
Longitude 122º 32' 15'' Northing 5602945
Easting 532747
Commodities Lead, Zinc, Gold Deposit Types
Tectonic Belt Coast Crystalline Terrane Bridge River
Capsule Geology

The Mount Morgan occurrence is located on the north side of Mount Morgan, in the head waters of the south fork of McGillivray Creek.

In the region, the Cadwallader and Ferguson faults transect sedimentary and volcanic rocks of the Mississippian to Jurassic Bridge River Complex and the Upper Triassic Cadwallader Group. Linear, altered serpentinite zones called the President Ultramafics, correlative with the 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 bodies of Cretaceous to Tertiary Bendor pluton granodiorite.

Locally, galena, arsenopyrite, pyrite and possibly sphalerite mineralization are reported in a quartz vein in a phyllite related to feldspar porphyry and albitite dikes. The phyllite may be related to the Mississippian to Jurassic Bridge River Complex.

In 1989, a 30-centimetre wide sample of arsenopyrite bearing footwall assayed 1.5 grams per tonne gold (Assessment Report 19604).

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. In 1991, Cogema completed a program of geochemical sampling and geological mapping on the area.

Bibliography
EMPR ASS RPT 11749, 11876, 14382, *19604, 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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