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File Created: 23-Dec-1994 by Z. Dan Hora (ZDH)
Last Edit:  20-Dec-1995 by Z. Dan Hora (ZDH)

Summary Help Help

NMI
Name PACIFIC ROSE, MCNULTY CREEK, MCNULTY CREEK-EAST Mining Division Osoyoos
BCGS Map 092H060
Status Past Producer NTS Map 092H09E
Latitude 049º 34' 00'' UTM 10 (NAD 83)
Longitude 120º 04' 04'' Northing 5494584
Easting 712012
Commodities Granite, Dimension Stone, Building Stone Deposit Types R03 : Dimension stone - granite
Tectonic Belt Intermontane Terrane
Capsule Geology

The Pacific Rose prospect is located about 31 kilometres west of Summerland.

This site is located in medium to coarse-grained pink and white granite of the Middle Jurassic Pennask batholith. Granite outcrops form an elongate, east-west oriented ridge with bare rock ledges, faces and a granite boulder field on the lower part of the slope. The great size of the boulders and massive outcrops indicates low fracture density. The rock is homogeneous with only occasional dark inclusions.

In 1992 and 1993, Pacific Granistone Ltd. optioned this site and produced a number of blocks which were processed into facing-stone sheets. Under the trade name Pacific Rose granite, this stone was used as floor tile and outside facing in the Jack Davis Building in Victoria. This structure houses the former B.C. Ministry of Energy, Mines and Petroleum Resources, recently amalgamated into the B.C. Ministry of Employment and Investment.

Pacific Rose stone is an attractive medium to coarse grained, pink two-feldspar granite. Major constituents are pink orthoclase, white plagioclase, glassy grey quartz and greenish white microcline. Minor minerals are sphene, apatite, rutile, biotite and magnetite (1-2 per cent). Microcline imparts a faint greenish cast to the otherwise white matrix. The texture and colour are uniform with no fabric present.

The rock is quite fresh with minor sericitization of plagioclase and no alteration of biotite. The rock takes a very good polish (8-9/10) with no iron staining. Grains are well interlocked but there is a lot of intergranular cracking. Some minor pitting occurs on biotite grains or on feldspars where cleavage intersects intragranular cracks.

Bibliography
EMPR FIELDWORK *1994, pp.365-369
GSC MAP 1836A

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