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MINFILE Record Summary
MINFILE No  092F 304
File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  22-May-1990 by George Owsiacki (GO)

 SUMMARY Summary Help Help

NMI
Name BUTTERFLY, WOODPECKER, WOOD PECKER Mining Division Nanaimo
BCGS Map 092F078
Status Showing NTS Map 092F10E
Latitude 049º 44' 35'' UTM 10 (NAD 83)
Longitude 124º 32' 00'' Northing 5511191
Easting 389528
Commodities Iron, Copper Deposit Types
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Butterfly occurrence is underlain by Upper Triassic Quatsino Formation (Vancouver Group) limestone. A shaft and open cuts have been developed on magnetite lenses up to 18 metres long and 1.8 metres wide. The magnetite contains considerable pyrite and some irregularly distributed chalcopyrite. A skarn mineral assemblage is present and consists of epidote, garnet and calcite.

Bibliography
EMPR AR 1897-563; 1898-1145; 1919-N371; 1915-451
EMPR FIELDWORK 1989, pp. 257-265
EMPR OF 1988-28; 1990-3
GSC MAP 1386A; 17-1968
GSC MEM *58, p. 71
GSC OF 463
GSC P 68-50
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