Oxytropidoceras Posted May 30, 2021 Share Posted May 30, 2021 (edited) The Shunga Event; did a Precambrian mass extinction give rise to an ancient supergiant oil field? Geological Digressions, Earth science resources, SCICOMM Ancient Earth, Precambrian geology, origin of life, atmosphere, oceans Yours, Paul H. Edited May 30, 2021 by Oxytropidoceras spelling 2 Link to comment Share on other sites More sharing options...
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