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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  25-Jan-1996 by Craig H.B. Leitch (CHBL)

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Name CRESTON CLAY Mining Division Nelson
BCGS Map 082F018
Status Showing NTS Map 082F01W
Latitude 049º 08' 24'' UTM 11 (NAD 83)
Longitude 116º 24' 46'' Northing 5443185
Easting 542830
Commodities Clay Deposit Types B06 : Fireclay
E07 : Sedimentary kaolin
Tectonic Belt Omineca Terrane Ancestral North America
Capsule Geology

The location and character of the Creston fireclay deposit is poorly known; it is described as along railway, best by Goat Canyon. It is most likely a bed of clay in Quaternary or Recent glaciofluvial deposits.

The deposit is described as silty, grey-yellow, slightly calcareous clay; workability is described as 28 per cent water, gives fair plasticity. It is of average shrinkage, 3.1 per cent; tensile strength, 1.72 bars, fit for common brick by the soft mud process. Other characteristics, including cone, absorption and shrinkage, are described in Bulletin 30.

EMPR BULL *30, p. 52
EMPR FIELDWORK 1993, pp. 129-151; 1994, pp. 111-125
GSC MEM 65, p. 33; 76, p. 156
GSC OF 2721