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MINFILE Record Summary
MINFILE No  092F 507
File Created: 22-Feb-1990 by George Owsiacki (GO)
Last Edit:  12-May-1998 by Larry Jones (LDJ)

 SUMMARY Summary Help Help

NMI
Name BOLT Mining Division Nanaimo
BCGS Map 092F068
Status Showing NTS Map 092F09W
Latitude 049º 41' 42'' UTM 10 (NAD 83)
Longitude 124º 28' 57'' Northing 5505775
Easting 393085
Commodities Copper Deposit Types
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Bolt showing area is underlain by Upper Triassic Karmutsen Formation (Vancouver Group) basalt with local interbedded limestone intruded by diorite.

Skarn is developed at the contact of limestone with intrusive rock. The contact zone strikes northeast and contains massive magnetite with pyrite and chalcopyrite.

Bibliography
EMPR ASS RPT 13912, *17692
EMPR FIELDWORK 1989, pp. 257-265
EMPR OF 1990-3; 1988-28
GSC EC GEOL 3, pp. 86-102
GSC MAP 1386A; 17-1968
GSC MEM 58
GSC OF 463
GSC P 68-50
GSC SUM RPT 1924 Part A, pp. 106-144
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