Siwash

Porphyry copper prospect in British Columbia, Canada

Names and other identifiers

GMRAP ID 9915
Alternate names Siwash Creek Copper
Tract name Intermontane Island-Arc Cu-Au (003pCu2002x)
Site status prospect

Geographic location

Country Canada
State or province British Columbia
Geographic location -120.394215139, 49.82170595
Geologic map unit -120.394215139, 49.82170595
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 200Ma
Age determination method Inferred from K-Ar biotite age for Axe-Primer
Age range 200 Ma
Age reference unknown
Minerals chalcocite, chalcopyrite, magnetite, pyrite
Associated rocks diorite, monzonite dike
Tectonic setting island arc
Stratigraphic age Late Triassic–Early Jurassic

Commodity and development information

Development status Occurrence
Major commodities Cu
Gold-Moly ratio -9999

Reference information

Comments Grades: 0.42 percent Cu.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009)
Site reference Mihalasky and others (2011, revised 2013)