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File Created: 19-Sep-1989 by Peter S. Fischl (PSF)
Last Edit:  31-May-1995 by George Owsiacki (GO)

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NMI
Name SALMON ARM LIMESTONE, LARCH HILLS Mining Division Kamloops
BCGS Map 082L074
Status Showing NTS Map 082L11E
Latitude 050º 42' 19'' UTM 11 (NAD 83)
Longitude 119º 12' 06'' Northing 5619364
Easting 344541
Commodities Limestone Deposit Types R09 : Limestone
Tectonic Belt Omineca Terrane Kootenay
Capsule Geology

The Salmon Arm Limestone deposit is situated on the west side of Larch Hills, 245 metres above Highway 97B, approximately 6 kilometres east of the town of Salmon Arm.

A band of limestone of the Hadrynian and/or Paleozoic Silver Creek Formation (Mount Ida Group) forms a small ridge trending 110 degrees along the west side of Larch Hills. The ridge is 250 metres long and 76 metres wide. The limestone appears to dip eastward into the hillside.

The ridge consists of white to bluish white, medium grained, fractured limestone with a few thin seams of brown weathering, blue dolomite along some of the fractures. The limestone also contains some quartz veins and a few inclusions of quartzite and shale. A sample taken across the northwest end of the ridge analysed 54.83 per cent CaO, 0.35 per cent MgO, 1.32 per cent SiO2, 0.21 per cent Al2O3, 0.14 per cent Fe2O3 and nil sulphur (Canada Bureau of Mines Report 811, page 191, sample 51).

Bibliography
EMPR AR 1960-143
EMPR PF (General File - Dawson, G.M. (1898): Geology map of Shuswap Sheet)
GSC MAP 1059A
GSC MEM 296, pp. 21-22
GSC OF 481; 637
GSC P 48-4; 74-1A, pp. 25-30; 86-1A, pp. 81-88; 89-1E, pp. 51-60
CANMET RPT *811, Part 5, p. 187
CJES Vol.13, pp. 44-53; Vol.21 (Oct.1984), pp. 1171-1193

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