Evidence for early impact on a hot differentiated planetesimal from Al-rich micro-inclusions in ungrouped achondrite Northwest Africa 7325

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Jing Yang, Chi Zhang, Masaaki Miyahara, Xu Tang, Lixin Gu, Yangting Lin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 13 March 2019 LINK “The ungrouped achondrite NWA 7325 is a cumulate olivine…

Sedimentary record from Patagonia, southern Chile supports cosmic-impact triggering of biomass burning, climate change, and megafaunal extinctions at 12.8 kaOPEN ACCESS 

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Mario Pino,Ana M. Abarzúa,Giselle Astorga,Alejandra Martel-Cea,Nathalie Cossio-Montecinos,R. Ximena Navarro,Maria Paz Lira,Rafael Labarca,Malcolm A. LeCompte,Victor Adedeji,Christopher R. Moore,Ted E. Bunch,Charles Mooney,Wendy S. Wolbach,Allen West & James P. Kennett Scientific Reports 9, 1–27 LINK (OPEN ACCESS) PDF…

Fates of hydrous materials during planetesimal collisionsOPEN ACCESS 

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Shigeru Wakita, Hidenori Genda PDF (OPEN ACCESS) Update (Icarus, 20 March 2019) LINK “Hydrous minerals are found on the surfaces of asteroids, but their origin is not clear. If their origin is endogenic, the hydrous…

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