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orthogneiss

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Journal Article
Journal: GSA Bulletin
Published: 05 December 2019
GSA Bulletin (2019)
...Jérémie Soldner; Chao Yuan; Karel Schulmann; Pavla Štípská; Yingde Jiang; Yunying Zhang; Xinyu Wang New geochemical and geochronological data are used to characterize the geodynamic setting of metasediments, felsic orthogneisses, and eclogite and amphibolite lenses forming the Beishan complex, NW...
Journal Article
Published: 23 October 2019
Journal of the Geological Society (2020) 177 (2): 325–341.
... the magmatic evolution of the Early Paleozoic Gondwana margin. Five orthogneisses yield U–Pb zircon ages ranging from 492 ± 4 to 484 ± 2 Ma. Two leucogranites give U–Pb zircon ages of 500 ± 4 and 485 ± 2 Ma, interpreted to be inherited from their orthogneiss host rock. Two samples from the metasedimentary host...
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Series: Geological Society, London, Special Publications
Published: 25 September 2019
DOI: 10.1144/SP481.2
EISBN: 9781786204264
... Abstract Early Oligocene partial melting and prolonged low-pressure–low-temperature (low-P/T) metamorphism were investigated in migmatites and orthogneisses from the upper High Himalaya Crystalline Sequence (HHCS) in the far east of Nepal. The migmatites were formed by biotite dehydration...
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Journal Article
Journal: Lithosphere
Published: 06 September 2019
Lithosphere (2019) 11 (5): 652–682.
... ; Allibone et al., 2009a ; Scott et al., 2011 ; Scott, 2013 ). These plutonic belts are composed of four different magmatic suites: (1) the inboard Western Fiordland Orthogneiss, which represents the deepest exposed portions of the arc (129–115 Ma; 35–65 km; Allibone et al., 2009b ; De Paoli et al., 2009...
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