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File Created: 02-Apr-1987 by Larry Jones (LDJ)
Last Edit:  30-Dec-1993 by George Owsiacki (GO)

Summary Help Help

NMI
Name CRAN 2 Mining Division Revelstoke
BCGS Map 082L080
Status Showing NTS Map 082L16E
Latitude 050º 46' 50'' UTM 11 (NAD 83)
Longitude 118º 02' 24'' Northing 5625938
Easting 426681
Commodities Uranium Deposit Types O02 : Rare element pegmatite - NYF family
Tectonic Belt Omineca Terrane Monashee
Capsule Geology

Fine to medium grained quartz feldspar granitic pegmatites are interlayered with biotite-quartz-feldspar gneiss of the Precambrian- Paleozoic(?) Monashee Complex. Foliation of the gneiss strikes 080 to 100 degrees and dips 10 to 30 degrees north. Some of the pegmatites crosscut the gneiss as dikes and sills, however, the largest pegmatites are conformable lenses with thicknesses to 5 metres and strike lengths to 70 metres.

Radioactivity is associated with the granitic pegmatites, with anomalous zones up to several metres long and a few centimetres wide. At the Cran 2 showing, mineralization consists of uraninite associated with a biotite clot in an 8 centimetre wide pegmatite. A sample across the 8 centimetres assayed 0.35 per cent uranium (Assessment Report 6816).

Bibliography
EMPR ASS RPT *6816
EMPR EXPL 1978-99,100
EMPR OF *1990-32
GSC MAP 235A; 1059A
GSC MEM 296
GSC OF 481; 658

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