Geology and lithogeochemistry of the Powderhorn Lake VMS deposit, Newfoundland ...
The Powderhorn Lake volcanogenic massive sulfide (VMS) deposit is hosted within the Ordovician Buchans-Roberts Arm (volcanic) belt (BRAB) in central Newfoundland. The deposit is hosted by coherent and clastic rhyolitic rocks that are interpreted to have formed within a rifted continental arc setting...
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Memorial University of Newfoundland
2024
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Online Access: | https://dx.doi.org/10.48336/pst2-8q23 https://research.library.mun.ca/16312/ |
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ftdatacite:10.48336/pst2-8q23 2024-04-28T08:28:44+00:00 Geology and lithogeochemistry of the Powderhorn Lake VMS deposit, Newfoundland ... Jacobson, Regan 2024 https://dx.doi.org/10.48336/pst2-8q23 https://research.library.mun.ca/16312/ en eng Memorial University of Newfoundland article-journal Text ScholarlyArticle 2024 ftdatacite https://doi.org/10.48336/pst2-8q23 2024-04-02T10:13:40Z The Powderhorn Lake volcanogenic massive sulfide (VMS) deposit is hosted within the Ordovician Buchans-Roberts Arm (volcanic) belt (BRAB) in central Newfoundland. The deposit is hosted by coherent and clastic rhyolitic rocks that are interpreted to have formed within a rifted continental arc setting. The stratigraphy, alteration, and mineralization of the deposit is preserved within multiple, imbricated thrust panels that comprise a regional domal antiform. Mineralization occurs as multiple stacked lenses consisting of stringer to semimassive and massive pyrrhotite, sphalerite, chalcopyrite, pyrite, and minor galena. Sulfide lenses typically contain relicts of host rocks and are interpreted to have formed by replacement-style processes at or below the seafloor. Hydrothermal alteration assemblages at Powderhorn Lake consist of weak to intense quartz-sericite and quartz-sericite-chlorite+/- pyrite. Lithogeochemical data, mass change calculations, and short-wave infrared spectroscopy identified key element ... Text Newfoundland DataCite Metadata Store (German National Library of Science and Technology) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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The Powderhorn Lake volcanogenic massive sulfide (VMS) deposit is hosted within the Ordovician Buchans-Roberts Arm (volcanic) belt (BRAB) in central Newfoundland. The deposit is hosted by coherent and clastic rhyolitic rocks that are interpreted to have formed within a rifted continental arc setting. The stratigraphy, alteration, and mineralization of the deposit is preserved within multiple, imbricated thrust panels that comprise a regional domal antiform. Mineralization occurs as multiple stacked lenses consisting of stringer to semimassive and massive pyrrhotite, sphalerite, chalcopyrite, pyrite, and minor galena. Sulfide lenses typically contain relicts of host rocks and are interpreted to have formed by replacement-style processes at or below the seafloor. Hydrothermal alteration assemblages at Powderhorn Lake consist of weak to intense quartz-sericite and quartz-sericite-chlorite+/- pyrite. Lithogeochemical data, mass change calculations, and short-wave infrared spectroscopy identified key element ... |
format |
Text |
author |
Jacobson, Regan |
spellingShingle |
Jacobson, Regan Geology and lithogeochemistry of the Powderhorn Lake VMS deposit, Newfoundland ... |
author_facet |
Jacobson, Regan |
author_sort |
Jacobson, Regan |
title |
Geology and lithogeochemistry of the Powderhorn Lake VMS deposit, Newfoundland ... |
title_short |
Geology and lithogeochemistry of the Powderhorn Lake VMS deposit, Newfoundland ... |
title_full |
Geology and lithogeochemistry of the Powderhorn Lake VMS deposit, Newfoundland ... |
title_fullStr |
Geology and lithogeochemistry of the Powderhorn Lake VMS deposit, Newfoundland ... |
title_full_unstemmed |
Geology and lithogeochemistry of the Powderhorn Lake VMS deposit, Newfoundland ... |
title_sort |
geology and lithogeochemistry of the powderhorn lake vms deposit, newfoundland ... |
publisher |
Memorial University of Newfoundland |
publishDate |
2024 |
url |
https://dx.doi.org/10.48336/pst2-8q23 https://research.library.mun.ca/16312/ |
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Newfoundland |
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Newfoundland |
op_doi |
https://doi.org/10.48336/pst2-8q23 |
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1797587172052697088 |