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Browsing by Author "Dostal, J."
Now showing items 1-7 of 7
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Evidence of silicate immiscibility within flood basalts from the Central Atlantic Magmatic Province (American Geophysical Union, 2013-11-22)The role silicate-liquid immiscibility plays in the formation of macro-scale, bimodal volcanic/plutonic igneous complexes, and Fe-Ti oxide deposits is debated as the rock compositions produced by immiscibility are similar ...
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(Halifax, N.S. : Saint Mary's University, 2006)The genesis of sub-greenschist-facies-metamorphosed komatiitic rocks of the Stoughton-Roquemaure Group (SRG) in the Abitibi Greenstone belt, Canada, is evaluated based on the geochemistry of preserved primary clinopyroxenes. ...
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(Springer Nature, 2019-03-01)Understanding the formation and evolution of Precambrian greenstone belts is hampered by gaps in the rock record and the uncertainty of the tectonic regime that was operating at the time. Thus identifying a modern analogue ...
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(University of Chicago Press, 1997-09)The 0.2–2 km thick, Archean Stoughton-Roquemaure Group (SRG) in the Northern Volcanic Zone of the Abitibi greenstone belt (Quebec, Canada) is composed of tholeiitic basalt, komatiitic basalt and komatiite. The mafic and ...
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(Halifax, N.S. : Saint Mary's University, 2010)Three units of Late Paleozoic felsic volcanics within southern New Brunswick were examined geochemically and petrographically to determine their genetic history and economic potential. The Late Devonian Harvey and Piskahegan ...
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(Springer Nature, 2019-03-11)The Acadian Orogeny of the Northern Appalachians was caused by accretion of the peri-Gondwanan terranes Avalonia and Meguma to the eastern margin of Laurentia during the Devonian. The lithotectonic relationship between ...
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(MDPI, 2017-07-25)Alkaline igneous complexes host deposits of rare earth elements (REE), which represent one of the most economically important resources of heavy REE and Yttrium (Y). The hosts are differentiated rocks ranging from nepheline ...
Now showing items 1-7 of 7