Sawmill

Porphyry copper deposit in British Columbia, Canada

Names and other identifiers

GMRAP ID 9910
Alternate names Cole, Gibraltar
Tract name Intermontane Island-Arc (003pCu2001x)
Group name Gibraltar Group
Included sites Group includes Gibralter and Sawmill deposits and Gunn prospect.
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -122.273316271, 52.468105842
Geologic map unit -122.273316271, 52.468105842
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 210Ma
Age determination method Inferred from U-Pb zircon age for Gibraltar
Age range 210 Ma (K-Ar); 204 Ma (K-Ar hornblende)
Age reference unknown
Minerals bornite, chalcopyrite, magnetite, molybdenite, pyrite
Associated rocks diorite, quartz diorite
Tectonic setting island arc
Stratigraphic age Late Triassic

Commodity and development information

Development status Prospect
Major commodities Cu, Mo
Tonnage (Mt) 68Mt
Cu grade (%) 0.244%
Contained copper 167,000t
Gold-Moly ratio -9999

Reference information

Study area name British Columbia and Yukon Territory
References MINFILE BC (2009)
Site reference Mihalasky and others (2011, revised 2013)