Louise Lake

Porphyry copper deposit in British Columbia, Canada

Names and other identifiers

Alternate names Lou
Tract name Cordilleran Continental Arc (003pCu2004x)
Included sites Louise, Rob, Tenn
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -127.69001801, 54.85220519
Geologic map unit -127.69001801, 54.85220519
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 89Ma
Age determination method U-Pb zircon
Age range 89 Ma
Age reference unknown
Minerals bornite, chalcopyrite, enargite, molybdenite, tennantite
Associated rocks quartz monzonite, feldspar porphyry
Tectonic setting continental margin
Stratigraphic age Late Cretaceous

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Au
Minor commodities Ag
Tonnage (Mt) 151Mt
Cu grade (%) 0.238%
Mo grade (%) 0.008%
Au grade (g/t) 0.228g/t
Contained copper 359,000t
Gold-Moly ratio 30

Reference information

Comments 1992, resource estimated, open to SW; transitional to epithermal.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Schroeter (1995); Schroeter and others (2007); Sinclair (2007); Singer and others (2008); James Logan (written commun., 2008); North American Gem Inc. (2008)
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/.North American Gem Inc., 2008, Louise Lake Property: North American Gem Inc. Web page, accessed 2008, at http://www.northamericangem.com/projects/louise/.
Schroeter, T.G., ed., 1995, Porphyry deposits of the northwestern Cordillera of North America: Canadian Institute of Mining, Metallurgy and Petroleum Special Volume 46, 888 p.
Schroeter, Tom; Grieve, David; Lane, Robert; Madu, Bruce; Northcote, Bruce; and Wojdak, Paul, 2007, British Columbia mining and mineral exploration overview 2006: British Columbia Ministry of Energy, Mines and Petroleum Resources Information Circular 2007-1, 28 p.
Sinclair, W.D., 2007, Porphyry Deposits, in Goodfellow, W.D., ed., Mineral deposits of Canada—A synthesis of major deposit-types, district metallogeny, the evolution of geological provinces, and exploration methods: Geological Association of Canada, Mineral Deposits Division, Special Publication no. 5, p. 223–243.
Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the world—Database and grade and tonnage models, 2008: U.S. Geological Survey Open-File Report 2008-1155, [45] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.