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Lois

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Porphyry copper prospect in British Columbia, Canada

Names and other identifiers

GMRAP ID 9805
Alternate names Lois 1-36
Tract name Insular Mixed Island- and Continental Arc (003pCu2003)
Site status prospect

Geographic location

Country Canada
State or province British Columbia
Geographic location -127.616416384, 50.258905108
Geologic map unit -127.616416384, 50.258905108
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Geologic information

Deposit type Porphyry copper
Age (Ma) 154Ma
Age determination method K-Ar biotite
Age range 154 Ma
Age reference unknown
Minerals arsenopyrite, chalcopyrite, galena, pyrite, molybdenite, native gold, sphalerite
Associated rocks quartz diorite, quartz diorite porphyry, rhyolite breccia, rhyolite dike
Tectonic setting mixed
Stratigraphic age Late Jurassic

Commodity and development information

Development status Occurrence
Major commodities Cu, Mo, Zn
Minor commodities Pb, Au, Ag
Trace commodities Co
Gold-Moly ratio -9999

Reference information

Comments Several styles and locations of weak mineralization; erratic chalcopyrite and molybdenite in biotite-altered zone. Grades: 0.15 percent Cu.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009)
Site reference Mihalasky and others (2011, revised 2013)
MINFILE BC, 2009, MINFILE Mineral inventory: British Columbia Ministry of Energy, Mines and Petroleum Resources, MINFILE database, total records 12,523, accessed December 2009, at http://minfile.gov.bc.ca/.