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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  14-Dec-2017 by Sarah Meredith-Jones (SMJ)

Summary Help Help

NMI
Name CRYSTAL Mining Division Greenwood
BCGS Map 082E046
Status Showing NTS Map 082E07W
Latitude 049º 25' 50'' UTM 11 (NAD 83)
Longitude 118º 59' 03'' Northing 5477213
Easting 356132
Commodities Fluorite, Molybdenum, Silver Deposit Types I11 : Barite-fluorite veins
Tectonic Belt Omineca Terrane Quesnel, Plutonic Rocks
Capsule Geology

The showing lies on the west side of Crystal Mountain. Access is along Beaverdell Creek Road and then Crystal Lake Road.

The area is underlain by late Paleozoic Wallace Formation quartzite, greenstone and limestone, intruded by a late Triassic quart diorite/granodiorite intrusion (Paper 2008-1). Eocene quartz monzonite intrudes the older Triassic granodiorite and appears to be the main host for the Crystal mineralization. A north-northeast trending fault immediately to the west separates these rocks from Eocene Penticton Group conglomerate and siltstone of the Kettle River Formation and overlying alkalic volcanic rocks of the Marron Formation. A swarm of mafic dikes trend northeasterly through the Crystal claim.

Crystal mineralization comprises purple and green fluorite, associated with silica, clay and sericite alteration along a north-trending fault within the quartz monzonite. The zone also contains minor silver, as well as molybdenite along slickensided surfaces. A 40-metre long section averages 11.1 per cent fluorine over an average width of 2.2 metres. A 1.5-metre sample assayed 19 per cent fluorine, 0.017 per cent molybdenum and 2.8 grams per tonne silver (Assessment Report 19768).

Teck Explorations Ltd. conducted geological mapping and geochemical sampling of the area in 1989.

Bibliography
EMPR AEROMAG MAP 7686G
EMPR ASS RPT *19768
EMPR OF 2008-1, 2010-1 pp.127-142
EMPR P 2008-1
GBC MAP 2016-07-1
GSC MEM 79
GSC OF 481; 637; 1969
GSC MAP 37A; 6-1957; 1736A
EMPR PFD 820900, 823107

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