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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  06-Apr-2009 by Nicole Barlow (NB)

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NMI 093A12 Cu2
Name BAYSHORE, B.I., KEY Mining Division Cariboo
BCGS Map 093A052
Status Showing NTS Map 093A12E
Latitude 052º 31' 30'' UTM 10 (NAD 83)
Longitude 121º 37' 35'' Northing 5820319
Easting 593190
Commodities Copper Deposit Types L03 : Alkalic porphyry Cu-Au
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

The Bayshore showing occurs within the Upper Triassic to Lower Jurassic central Quesnel sedimentary and volcanic rock of south central British Columbia. These rocks comprise the northern extension of the Nicola Group. Felsic stocks of alkalic composition have intruded the volcanic rocks and are comagmatic with proximal felsic breccias of Lower Jurassic age.

The showing is located at the southeastern end of Bootjack Lake where syenodiorite of the Polley stock and nepheline syenite of the Bootjack stock outcrop. The Polley stock hosts the Cariboo Bell copper deposit (093A 008) on the flanks of Mt. Polley to the north. Small outcrops of Lower Jurassic felsic breccia and Upper Triassic maroon basalt also occur in the area.

Mineralization consists of disseminated chalcopyrite occurring within syenodiorite of the Polley stock and Lower Jurassic volcanic rocks. This mineralization was probably deposited during the same mineralizing event which formed the copper deposits of Cariboo Bell, a few kilometres to the north.

EMPR AR 1966-125
EMPR FIELDWORK 1987, pp. 147-153
EMPR PF Chevron (Unknown (1976): Field notes-Bootjack Lake; Unknown (1976): Field notes - Bootjack Lake; Chevron Standard Ltd. (1976): Geochemical Lab Report - Bootjack Mountain; Surveys and Mapping Branch (1949): Topographic map showing Bootjack)
CJES Vol. 25, pp. 1608-1617
EMPR OF 1991-10