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TitleChromite occurrences of the E-Ext stripped outcrop, Mayville intrusion, Bird River greenstone belt, southeastern Manitoba
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorBécu, V; Houlé, M G
SourceGeological Survey of Canada, Scientific Presentation 28, 2015, 1 sheet, Open Access logo Open Access
PublisherNatural Resources Canada
Mediaon-line; digital
File formatpdf
AreaEuclid Lake; Bird Lake
Lat/Long WENS -95.5000 -95.0000 50.7500 50.5000
Subjectsigneous and metamorphic petrology; igneous petrology; petrography; chromite; intrusive rocks; Bird River greenstone belt; Mayville Intrusion
Illustrationslocation maps; ternary diagrams; plots; photographs; tables
ProgramTargeted Geoscience Initiative (TGI-4) Mafic-Ultramafic Ore Systems
Released2015 04 30
Summary(Plain Language Summary, not published)
The Targeted Geoscience Initiative (TGI-4) is a collaborative federal geoscience program that provides industry with the next generation of geoscience knowledge and innovative techniques to better detect buried mineral deposits, thereby reducing some of the risks of exploration. This poster was presented at the Manitoba Mining and Minerals Convention in Winnipeg in November 2014. The Mayville intrusion is the largest mafic-ultramafic intrusion located in the northern arm of the Bird River greenstone belt (BRGB) in southeastern Manitoba. This intrusion host the M2 magmatic Cu-Ni-PGE deposit (31.8Mt at 0.45%Cu, 0.18%Ni, 0.19ppm PGE) as well as some PGE and chromite occurrences. The E-Ext stripped outcrop is located near the base of the intrusion. Field obervations on this outcrop permitted to discriminate between at least four different types of chromite hosted by pyroxenite.

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