Generation of felsic rocks of bimodal volcanic suites from thinned and rifted continental margins: Geochemical and Nd, Sr, Pb-isotopic evidence from Haida Gwaii, British Columbia, Canada
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DOI: 10.1016/j.lithos.2017.09.005
Abstract: Abstract The compositionally bimodal volcanic rocks of the Eocene–Miocene Masset Formation from Queen Charlotte basin, Haida Gwaii, British Columbia, Canada, underlie an area greater than 5000 km 2 where their exposed sections are up to 1.6 km… read more here.
Keywords: british columbia; columbia canada; bimodal volcanic; felsic rocks ... See more keywords
Initial breakup of supercontinent Rodinia as recorded by ca 860–840 Ma bimodal volcanism along the southeastern margin of the Yangtze Block, South China
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DOI: 10.1016/j.precamres.2017.04.039
Abstract: Abstract It is considered that mantle plumes play an important role in the breakup of supercontinents, but continental rifting and associated bimodal volcanism often predate mantle-plume magmatism and the major stage of supercontinent breakup. Therefore,… read more here.
Keywords: south china; basaltic rocks; breakup; bimodal volcanic ... See more keywords
Geochronology and Geochemistry of the Karadaban Bimodal Volcanic Rocks in the Altyn Area, Xinjiang: Implications for the Tectonic Evolution of the Altyn Ocean
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DOI: 10.1155/2019/6256398
Abstract: Detailed geochronological, geochemical, and Sr-Nd-Hf isotopic data are presented for early Paleozoic volcanic rocks in the Karadaban area from the northern Altyn region, NW China, with the aim to constrain their petrogenesis and tectonic implications.… read more here.
Keywords: area; geochemistry; bimodal volcanic; volcanic rocks ... See more keywords