The Columbia supercontinent revisited
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DOI: 10.1016/j.gr.2017.04.011
Abstract: Abstract Just over 15 years ago, a proposal forwarded by Rogers and Santosh (2002) posited the existence of a pre-Rodinia supercontinent which they called Columbia. The conjecture invigorated research into the Paleo-Mesoproterozoic interval that was; in… read more here.
Keywords: supercontinent; columbia supercontinent; supercontinent revisited;
Paleoproterozoic Nb–enriched meta-gabbros in the Quanji Massif, NW China: Implications for assembly of the Columbia supercontinent
Sign Up to like & getrecommendations! Published in 2017 at "Geoscience frontiers"
DOI: 10.1016/j.gsf.2017.05.007
Abstract: Abstract Diverse models have been proposed for the role of the Tarim Craton within the Paleoproterozoic Columbia supercontinent assembly. Here we report a suite of ∼1.71 Ga Nb-enriched meta–gabbro lenses in the eastern Quanji Massif, within… read more here.
Keywords: tarim craton; china; meta; quanji massif ... See more keywords
Paleoproterozoic volcanic rocks in the southern margin of the North China Craton, central China: Implications for the Columbia supercontinent
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DOI: 10.1016/j.gsf.2018.10.007
Abstract: Abstract The volcanic rocks of the Xiong'er Group are situated in the southern margin of the North China Craton (NCC). Research on the Xiong'er Group is important to understand the tectonic evolution of the NCC… read more here.
Keywords: southern margin; columbia supercontinent; margin north; volcanic rocks ... See more keywords