Analyses of shocked quartz from the K-P boundary, supplement to: Morgan, Joanna; Lana, Cristiano; Kearsley, Anton; Coles, Barry; Belcher, Claire; Montanari, Sandro; Díaz-Martínez, Enrique; Barbosa, Antonio; Neumann, Virginio (2006): Analyses of shocked quartz at the global K-P boundary indicate an origin from a single, high-angle, oblique impact at Chicxulub. Earth and Planetary Science Letters, 251(3-4), 264-279

Joanna Morgan, Cristiano Lana, Anton Kearsley, Barry Coles, Claire Belcher, Sandro Montanari, Enrique Díaz-Martínez, Antonio Barbosa & Virginio Neumann
The precise cause and timing of the Cretaceous-Paleocene (K-P) mass extinction 65 Ma ago remains a matter of debate. Many advocate that the extinction was caused by a meteorite impact at Chicxulub, Mexico, and a number of potential kill-mechanisms have been proposed for this. Although we now have good constraints on the size of this impact and chemistry of the target rocks, estimates of its environmental consequences are hindered by a lack of knowledge about...
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