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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  31-Mar-1993 by Discovery Consultants (DISC)

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NMI
Name VERNON GRANITE, VERNON QUARRY Mining Division Vernon
BCGS Map 082L013
Status Past Producer NTS Map 082L03W
Latitude 050º 10' 16'' UTM 11 (NAD 83)
Longitude 119º 26' 47'' Northing 5560521
Easting 325307
Commodities Granite, Dimension Stone, Building Stone Deposit Types R03 : Dimension stone - granite
Tectonic Belt Intermontane Terrane Plutonic Rocks, Harper Ranch
Capsule Geology

The Vernon Granite deposit is located 16 kilometres southwest of Vernon, on the east shore of Okanagan Lake.

In this area, Devonian to Triassic sediments of the Harper Ranch Group are intruded by Middle Jurassic granitic rocks of the informally named Terrace Creek batholith. These are intruded by granites and hypabyssal equivalents of the Eocene Coryell Intrusions. Patches of Penticton Group volcanic rocks overlie the older rocks.

The granite has been quarried for industrial use. It is coarse-grained with a fresh light pink tone, containing pink orthoclase feldspar crystals up to 10 millimetres in length. Quartz, plagioclase, biotite and hornblende are also present. Quartz stringers cut the granite and isolated red iron stain patches occur on weathered surfaces.

The quarry is approximately 50 metres long with a face up to 10 metres high. Potential reserves exist to the east. Spacing between joints and fractures is irregular, varying from 0.2 to 2.5 metres, with 60 per cent of recoverable blocks being greater than 50 centimeters square. The stone splits well in all three directions, is practically devoid of knots, takes a high polish and meets all ASTM standards.

From 1912 to the early 1940s about 850 cubic metres were quarried for building purposes and for monument bases by the Vernon Granite and Marble Works. The stone was used in the Vernon courthouse and still looks attractive after 60 years.

Bibliography
EMPR FIELDWORK 1982, pp. 33-36; *1986, pp. 309-342; 1987, pp. 55-58; 1988, pp. 355-363
EMPR INF CIRC *1988-6, p. 11, 29
EMPR MAP 7216G, 8512G
EMPR OF 1989-5, 1990-30
EMPR PF (In 082LSW General - Claim Map, 1966)
EMPR RGS 1976
GSC MAP 46-7, 48-4A, 1712A
GSC MEM *296, pp. 160-161
GSC OF 637 (Map C), 736, 2167
GSC P 89-1E pp. 51-60
GSC SUM RPT *1931A, Figure 7, p. 98
CANMET RPT *452, pp. 68-70; *846, pp. 172, 173
EMPR PFD 503369

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