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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  31-Aug-2007 by Sarah Meredith-Jones (SMJ)

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NMI 092I13 Lst1
BCGS Map 092I082
Status Producer NTS Map 092I13E
Latitude 050º 49' 04'' UTM 10 (NAD 83)
Longitude 121º 39' 16'' Northing 5630424
Easting 594785
Commodities Limestone, Aggregate Deposit Types R09 : Limestone
Tectonic Belt Intermontane Terrane Cache Creek
Capsule Geology

Limestone is quarried for lime manufacturing in Marble Canyon, 5 kilometres southeast of Pavilion Lake, 23 kilometres west of the community of Cache Creek. The plant began operation in 1974.

The quarry lies on the south end of a 10 to 15-kilometre wide exposure of limestone of the Permian Marble Canyon Formation (Carboniferous to Jurassic Cache Creek Complex) that continues north- northwest of Marble Canyon for 65 kilometres. The limestone is bounded to the east by underlying argillite, chert and basalt and to the west by similar sediments and volcanics, all of the Cache Creek Complex. To the south, the limestone is truncated by a Jurassic stock of granodiorite and quartz diorite along the south side of Marble Canyon. Near the quarry, the strata strikes 120 degrees and dips steeply southwest.

In the vicinity of Marble Canyon, the deposit is composed of mostly light grey to white, fine-grained limestone containing some chert nodules and veinlets of dolomite. Exposures along the Hat Creek Valley to the east reveal light grey to black, fine to medium- grained limestone sporadically veined with quartz and calcite. Patches of chert and dolomite are frequent, especially near the eastern margin of the deposit. A 30-metre long chip sample taken across a bluff in the vicinity of the present quarry analysed 55.53 per cent CaO, 0.27 per cent MgO, 0.08 per cent insolubles, 0.16 per cent R2O3, 0.02 per cent Fe2O3, 0.009 per cent MnO, 0.071 per cent P2O5, nil sulphur and 43.81 per cent ignition loss (Minister of Mines Annual Report 1958, page 92, Sample 6).

Production from the quarry averages 54.1 per cent CaO (96.5 per cent CaCO3), less than 1 per cent MgO, 1 per cent SiO2 and 1 to 1.5 per cent R2O3 (J.M. Jordon, personal communication, 1989).

Steel Brothers Canada Ltd. began quarrying limestone in Marble Canyon on Indian Reserve 3 in 1974 to supply an adjacent lime manufacturing plant. The operation was taken over by Continental Lime Ltd. in October 1988. Between 1975 and 1991, approximately 2.5 million tonnes of limestone were quarried. Production is about 200,000 tonnes limestone annually. Quicklime is produced and sold to the mining, pulp and paper industries throughout British Columbia and northwestern United States.

In 2000, Graymont Western Canada Inc. acquired the property from Continental Lime Ltd.

EM EXPL 1996-A13
EMPR AR *1958-90-93
EMPR ENG INSP Annual Report 1989
EMPR FIELDWORK 1981, pp. 270,271
EMPR GEM 1974-384
EMPR INF CIRC 1991-1, p. 59; 1996-1, p. 9; 1997-1, p. 12; 2000-1,
pp. 8, 11
EMPR MAP 65 (1989)
EMPR MINING 1975-1980 Vol.I, p. 47; 1981-1985, pp. 64,65; 1986-1987,
p. 91; 1988, p. 91
EMPR OF 1987-18; 1988-29; 1990-23; 1992-1; 1992-9; 1994-1
EMPR PF (Continental Lime Ltd. Website (Feb.1999): Pavillion Plant,
1 p.)
GSC MAP 1010A; 1386A; 42-1989
GSC MEM 262, pp. 16,18
GSC OF 165; 866; 980
GSC P 46-8; 47-10; 73-1A, p. 212; 74-49; 81-1A, pp. 185-189,217-221;
82-1A, pp. 293-297; 85-1A, pp. 349-358; 89-1E
CANMET RPT 811, Part 5, pp. 221,222
W MINER Nov. 1976, pp. 9-12