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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  06-Jul-1989 by Peter S. Fischl (PSF)

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NMI
Name CLAYOQUOT ARM NORTH Mining Division Alberni
BCGS Map 092F023
Status Showing NTS Map 092F03W
Latitude 049º 13' 43'' UTM 10 (NAD 83)
Longitude 125º 27' 30'' Northing 5455779
Easting 321024
Commodities Limestone Deposit Types
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

At the Clayoquot Arm North occurrence, three masses of limestone of the Upper Triassic Vancouver Group, Quatsino Formation, varying in size from 1250 by 500 metres to 2500 by 2000 metres, outcrop along several mountain tops 8 kilometres northwest of the head of Clayoquot Arm, 45 kilometres west of Port Alberni. The largest limestone mass is in fault contact to the north with volcanics of the Upper Triassic Vancouver Group, Karmutsen Formation and is partially overlain by Lower Jurassic Bonanza Group volcanics. All three masses are underlain by basalts and andesites of the Karmutsen Formation.

Bibliography
EMPR IND MIN FILE (Limestone Occurrences in British Columbia by J.W. McCammon 1973, p. 11 (in Ministry Library))
GSC MAP 17-1968
GSC OF 463
GSC P 68-50, pp. 14,15

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