Gerta Keller (born 1945) is a paleontologist who contests the Alvarez hypothesis that the Chicxulub caused the mass extinction 65 million years ago. She maintains that this impact predates the mass extinction and that Deccan volcanism and its environmental consequences were the most likely major cause possibly exacerbated by the impact.
Read more about Gerta Keller: Selected Publications
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... Keller G, Abramovich S, Berner Z, Adatte T (1 January 2009) ... Gerta Keller, Thierry Adatte, Alfonso Pardo Juez Jose G ... Gerta Keller, T ...