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Meteorites that produce K-feldspar-rich ejecta blankets correspond to mass extinctions

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posted on 03.11.2021, 09:47 authored by M.J. Pankhurst, C.J. Stevenson, B.C. Coldwell
1. Extended Fig. 1 from main text a: Example calculation of post-impact KFF of Earth surface b: Comparison of full geologic and impact stratigraphy c: Comparing the temporal precision of each dataset d: Summary database of meteorite impact size, age, and corresponding extinction intensity metrics (drawing from b & c) e: Simultaneity calculations.

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