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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  16-Oct-1989 by Peter S. Fischl (PSF)

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NMI
Name SOLITUDE MOUNTAIN, PINE PASS Mining Division Liard
BCGS Map 093O057
Status Showing NTS Map 093O07E, 093O10E
Latitude 055º 30' 05'' UTM 10 (NAD 83)
Longitude 122º 37' 55'' Northing 6150649
Easting 523249
Commodities Limestone Deposit Types R09 : Limestone
Tectonic Belt Foreland Terrane Ancestral North America
Capsule Geology

A roadcut along the John Hart Highway (Highway 97), 1 kilometre northwest of the summit of Solitude Mountain exposes a 46-metre thick section of fine-grained, black limestone of the Mississippian Prophet Formation. This section lies on the west flank of a northwest trending syncline. The rock displays a well developed cleavage. In the upper most portion of the section the limestone becomes interbedded with chert. A sample taken across the 46-metre section contained 38.2 per cent CaO, 1.94 per cent MgO, 25.5 per cent insolubles, 0.70 per cent R2O3, 0.91 per cent Fe2O3, 0.01 per cent MnO, 0.03 per cent P2O5, 0.33 per cent sulphur, 32.6 per cent ignition loss and 0.09 per cent water (Minister of Mines Annual Report 1957, page 86).

Limestone of the same formation is exposed on the east side of Solitude Mountain along the east flank of the syncline. A cut along the highway, 3.7 kilometres west of the previous exposure, displayed thickly bedded, fine-grained, black, siliceous limestone. A sample across 61 metres of road cut contained, 20.8 per cent CaO, 2.94 per cent MgO, 47.9 per cent insolubles, 1.22 per cent R2O3, 2.09 per cent Fe2O3, 0.02 per cent MnO, 0.16 per cent P2O5, 1.40 per cent sulphur and 24.7 per cent ignition loss (Minister of Mines Annual Report 1957, page 86).

Bibliography
EMPR AR 1957-86
EMPR FIELDWORK 1991, pp. 433-440
GSC MAP 11-1961
GSC OF 925
Placer Dome File

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