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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  19-Jan-2003 by George Owsiacki (GO)

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NMI
Name TRANQUILLE RIVER AGATE Mining Division Kamloops
BCGS Map 092I078
Status Showing NTS Map 092I10E
Latitude 050º 46' 31'' UTM 10 (NAD 83)
Longitude 120º 34' 49'' Northing 5627627
Easting 670600
Commodities Agate, Gemstones Deposit Types Q03 : Agate
C01 : Surficial placers
Tectonic Belt Intermontane Terrane Overlap Assemblage
Capsule Geology

Agates are abundant in the hills along the north shore of Kamloops Lake from Tranquille River to Carabine Creek. Some nodular forms are geodes with amethyst-lined central cavities. Banded and plain agate (chalcedony) occur as vesicle fillings, irregular masses and as ribbons of seam agate filling fractures and spaces in brecciated volcanic flows of the Eocene Kamloops Group. In places, the agate has a pink cast but the usual colours are white to grey. Agate is also reported upstream in the banks and stream bed of Tranquille River.

Bibliography
EMPR BULL 77
GSC OF 165; 980; 2490
GSC MAP 886A; 887A; 9-1963; 1394A; 42-1989
GSC MEM 249
GSC P 44-20; *72-53, pp. 23-25; 82-1A, pp. 293-297; 85-1A, pp. 349-358
Western Homes & Living, Oct. 1961, Guide to BC Rocks and Gems

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