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File Created: 10-Feb-2004 by Kirk Hancock (KDH)
Last Edit:  01-Jan-0001 by BC Geological Survey (BCGS)

Summary Help Help

NMI
Name SEP/DEER, TOFINO CREEK Mining Division Alberni
BCGS Map 092F023
Status Showing NTS Map 092F05E
Latitude 049º 15' 51'' UTM 10 (NAD 83)
Longitude 125º 33' 14'' Northing 5459950
Easting 314210
Commodities Copper, Zinc Deposit Types
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Sep/Deer showings are located about 4 kilometres upstream on Tofino Creek. Access is by boat to the head of Tofino Inlet then by logging road (Tofino Main) from the mouth of Tofino Creek and up a spur road (Tofino 60) to the east. The claims were located in 1989 and lapsed in 1992. Dual Resources Ltd. and Algonquin Minerals Inc did a small program of prospecting, sampling and 633 metres of drilling in four holes in 1991.

The area is underlain by complex series of fault-bounded blocks. Units represented are the Buttle Lake Group, Sicker Group, Vancouver Group and the Bonanza Group. The fault blocks are typically elongate to the northwest, typically 2 to 4 kilometres wide and >10 kilometres long. Intruded into the predominantly volcanic packages are granitic rocks of the Island plutonic Suite.

At the Sep showings, host rocks are a heterogeneous mix of volcanic to sub-volcanic andesite of the Bonanza Group. The rocks are pervasively altered with patches and stringers of epidote that in places have zones of complete calcite/epidote alteration. Disseminated pyrite, pyrrhotite and chalcopyrite are widespread and can reach several per cent by volume in some places. Better grade samples seem to be related to weak skarn development in the volcanic rocks. Selected 'best samples' have yielded grades of up to 30 per cent copper and 10 per cent zinc.

All four diamond drill holes intersected pyrite mineralization and two cut chalcopyrite mineralization. Details of the drilling have not been published but it is reported no significant base metal mineralization was stuck. Subsequent to the drilling no further work is reported and no assessment reports have been filed.

Bibliography
EMPR PF District Geologist Notes, June 17, 1991
GCNL #192/1990, #13/1991, #58/1991
EMPR PFD 905892

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