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TitleThe search for surficial expressions of buried Cordilleran porphyry deposits; background and progress in a new Targeted Geoscience Initiative 4 activity in the southern Canadian Cordillera, British Columbia
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorAnderson, R G; Plouffe, A; Ferbey, T; Dunn, C E
SourceGeological Survey of Canada, Current Research (Online) no. 2012-7, 2012, 19 pages, (Open Access)
PublisherNatural Resources Canada
Mediaon-line; digital
RelatedThis publication is related to the following publications
File formatpdf
ProvinceBritish Columbia
NTS92I; 93A; 93B
AreaNicola River; Kamloops Lake; Fraser River; Cordillera; Woodjam District
Lat/Long WENS-122.4100 -122.1339 52.6600 52.4111
Lat/Long WENS-121.3314 -121.3314 52.2675 52.2125
Lat/Long WENS-121.7594 -121.7594 50.8092 50.1706
Subjectsmetallic minerals; surficial geology/geomorphology; porphyry deposits; porphyry copper; molybdenum; mineralization; mineral deposits; tills; ice movement directions; glacial deposits; biogeochemical surveys; alteration; Gibraltar mine; Granite Mountain batholith; Guichon Creek batholith; Highland Valley mine; Chilcotin Group; Copper Mountain plutonic suite; Nicola Group; Takomkane batholith; bark geochemistry; Tertiary; Triassic; Jurassic
Illustrationssketch maps; photographs
ProgramTargeted Geoscience Initiative (TGI-4), Intrusion/Porphyry Ore Systems
Released2012 07 04
AbstractThe Targeted Geoscience Initiative 4 is a five-year federal program to provide public geoscience knowledge to improve deep mineral exploration effectiveness. In southern British Columbia, the focus is on porphyry base- and precious-metal districts.
Preliminary, interjurisdictional activities focused on the sampling of tree bark, as a probe into the subsurface, and glacial till derived from eroded bedrock and mineral deposits. The first stage comprised pilot studies at the Woodjam district, and Gibraltar and Highland Valley mines in autumn of 2011. The determination of complex ice-flow directions from map- to outcrop-scale ice-movement indicators help trace geochemical and indicator-mineral anomalies back to the original buried deposits.
The studies helped test the sampling media (tree bark and till) as indicators of buried mineralization and thereby help increase the effectiveness of deep mineral exploration.