Igneous Rock Associations 16. The Late Permian Emeishan Large Igneous Province
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چکیده
منابع مشابه
Mineralogy from three peralkaline granitic plutons of the Late Permian Emeishan large igneous province (SW China): evidence for contrasting magmatic conditions of A-type granitoids
TheEmeishan large igneous province contains a diverse assemblage of igneous rocks includingmildly peralkaline granitic rocks ofA-type affinity. The granitic rocks from the Panzhihua, Baima andTaihe plutons are temporally, spatially and chemically associatedwith layeredmafic-ultramafic intrusions. Electronmicroprobe analyses of themajor and accessoryminerals along with major and trace element da...
متن کاملDating the onset and nature of the Middle Permian Emeishan large igneous province eruptions in SW China using conodont biostratigraphy and its bearing on mantle plume uplift models
Please cite this article as: Sun, Yadong, Lai, Xulong, Wignall, Paul B., Widdowson, Mike, Ali, Jason R., Jiang, Haishui, Wang, Wei, Yan, Chunbo, Bond, David P.G., Védrine, Stéphanie, Dating the onset and nature of the Middle Permian Emeishan large igneous province eruptions in SW China using conodont biostratigraphy and its bearing on mantle plume uplift models, LITHOS (2010), doi: 10.1016/j.li...
متن کاملMethane Release from Igneous Intrusion of Coal during Late Permian Extinction Events
Unusually large and locally variable carbon isotope excursions coincident with mass extinctions at the end of the Permian Period (253 Ma) and Guadalupian Epoch (260 Ma) can be attributed to methane outbursts to the atmosphere. Methane has isotopic values (dC) low enough to reduce to feasible amounts the carbon required for isotopic mass balance. The duration of the carbon isotopic excursions an...
متن کاملImpact induced melting and the development of large igneous provinces
We use hydrodynamic modelling combined with known data on mantle melting behaviour to examine the potential for decompression melting of lithosphere beneath a large terrestrial impact crater. This mechanism may generate sufficient quantity of melt to auto-obliterate the crater. Melting would initiate almost instantaneously, but the effects of such massive mantle melting may trigger long-lived m...
متن کاملClimate changes caused by degassing of sediments during the emplacement of large igneous provinces
11 Most mass extinctions during the last 500 m.y. coincide with eruptions of large igneous 12 provinces (LIP): the Cretaceous-Tertiary extinction was synchronous with the Deccan 13 flood volcanism, Permian-Triassic extinction with the eruption of the enormous 14 Siberian Traps, and End-Guadalupian extinction with the Emeishan volcanic province. 15 The causal link remains disputed, however, and ...
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ژورنال
عنوان ژورنال: Geoscience Canada
سال: 2015
ISSN: 1911-4850,0315-0941
DOI: 10.12789/geocanj.2014.41.060