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TitleIndicator mineral signatures of the Mount Pleasant Sn-W-Mo-Bi-In deposit, New Brunswick, Canada
AuthorMcClenaghan, M B; Parkhill, M A; Pronk, A G
Source p. 64-71
Alt SeriesEarth Sciences Sector, Contribution Series 20150241
PublisherAssociation of Applied Geochemists
Meeting27th International Applied Geocehmsitry Sympsoium, Indicator Mineral Short Course 2
Mediapaper; on-line; digital
File formatpdf
ProvinceNew Brunswick
AreaMount Pleasant; -
Lat/Long WENS -67.0000 -66.5000 45.7500 45.5000
Subjectseconomic geology; geochemistry; industrial minerals; metallic minerals; regional geology; bedrock geology; volcanogenic deposits; granites; bismuth geochemistry; molybdenum geochemistry; tungsten geochemistry; tin geochemistry; breccia deposits; magmatic deposits; ore mineral genesis; till deposits; placer deposits; mineral exploration; Devonian
Illustrationsphotographs; sketch maps; location maps; cross-sections, structural; tables; geochemical charts
ProgramIntrusion/Porphyry Ore Systems, Targeted Geoscience Initiative (TGI-4)
AbstractThe use of indicator minerals to explore for Sn-W mineralization is well documented for stream sediments, but much less so for glacial sediments. To address this knowledge gap, the Geological Survey of Canada¿s (GSC) addressed this knowledge gap conducted a case study at the Mount Pleasant Sn-W-Mo-Bi-In deposit in eastern Canada to test and demonstrate modern indicator mineral exploration methods for intrusion-hosted W-Mo deposits. The study was funded by the GSC¿s Targeted Geoscience Initiative 4, a collaborative federal geoscience program with a mandate to provide industry with the next generation of geoscience knowledge and innovative techniques for more effective targeting of buried mineral deposits. It was a collaborative effort between the GSC, the New Brunswick Department of Energy and Mines (NBDEM). These short course notes provide an overview of published literature on the use of indicator minerals for Sn-W exploration, with specific reference to the Mount Pleasant deposit.
The ore minerals recovered from bedrock and till samples from the Mount Pleasant deposit include cassiterite, scheelite, wolframite, and molybdenite. Other important indicator minerals recovered include fluorite and topaz as well as sulphide minerals. Overviews of cassiterite, scheelite, wolframite, fluorite, and topaz are provided below as background information because their physical characteristics and recovery from, and abundance in, till is not well known.
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 extended abstract reviews general indicator mineral methods for Sn-W exploration and the results of the GSC's TGI-4 indicator mineral study around the Mount Pleasant Sn-W-Mo-Bi-In deposit in New Brunswick.