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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  29-Jun-1989 by Peter S. Fischl (PSF)

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NMI
Name ATKINS ROAD, ATKINS SIDING, LANGFORD, COLWOOD LIME KILN Mining Division Victoria
BCGS Map 092B043
Status Past Producer NTS Map 092B06W
Latitude 048º 26' 57'' UTM 10 (NAD 83)
Longitude 123º 28' 29'' Northing 5366334
Easting 464896
Commodities Limestone, Aggregate, Building Stone Deposit Types R09 : Limestone
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Atkins Road deposit is located along Atkins Avenue, adjacent to the E & N Railway, 1.4 kilometres east of Langford Station and 9 kilometres west of Victoria.

The deposit consists of a mass of limestone hosted in the Wark Gneiss. The Wark Gneiss is possibly the metamorphic equivalent of a mafic unit of either the Paleozoic Sicker Group or the Upper Triassic Karmutsen Formation (Vancouver Group); the latest metamorphism took place in the Jurassic. The limestone, up to 60 metres wide, outcrops for 200 to 300 metres along both sides of the road and railway. The limestone is cut by a few contorted diabase dykes and banding dips west. A thick deposit of glaciofluvial sand and gravel partially covers the limestone.

The limestone is fine grained, light bluish grey and lightly banded and is generally high in calcium. A few small masses of dolomite are exposed in the west face of a quarry south of the road and railway. A chip sample taken at 1.8-metre intervals across 18 metres in a small pit north of Atkins Avenue contained 55.2 per cent CaO, 0.11 per cent MgO, 0.6 per cent insolubles, 0.08 per cent R2O3, 0.087 per cent Fe2O3, 0.010 per cent MnO, 0.014 per cent P2O5, 0.017 per cent sulphur, 43.6 per cent ignition loss and 0.14 per cent water (Bulletin 40, page 91).

Limestone was produced from three small quarries on the north side of the road and railway and one larger quarry on the south side. Production figures from this occurrence are not available.

Bibliography
EMPR AR 1907-155-157,160; 1908-25,166; 1912-199
EMPR BULL *23, p. 98; *40, pp. 90,91
EMPR OF 1992-18, pp. 48-49
EMPR P 1993-23
GSC MAP 1553A
GSC MEM 13, p. 197; 36, pp. 42,43,134
CANMET REPORT *811, Part 5, pp.132,142
GAC FIELD TRIP GUIDEBOOK Trip 7 - Muller, J.E. (1977): Geology of Vancouver Island
Lockie, D.A. (1957): A Petrographic Analysis of Some Limestones of Southwestern British Columbia, University of British Colulmbia, Unpublished B.A. Thesis

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