Evidence for pre-Noachian granitic rocks on Mars from quartz in meteorite NWA 7533

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V. Malarewicz, O. Beyssac, B. Zanda, J. Marin-Carbonne, H. Leroux, D. Rubatto, A. S. Bouvier, D. Deldicque, S. Pont, S. Bernard, E. Bloch, S. Bouley, M. Humayun & R. H. Hewins Nature Geoscience, Published: 21…

Impacts into quartz sand: Crater formation, shock metamorphism, and ejecta distribution in laboratory experiments and numerical models.

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Wünnemann, K., Zhu, M.-H. and Stöffler, D. Meteoritics & Planetary Science. doi: 10.1111/maps.12710 LINK “We investigated the ejection mechanics by a complementary approach of cratering experiments, including the microscopic analysis of material sampled from these…

Distinction between amorphous and healed planar deformation features in shocked quartz using composite color scanning electron microscope cathodoluminescence (SEM-CL) imagingOPEN ACCESS 

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Hamers, M. F., Pennock, G. M., Herwegh, M. and Drury, M. R. Meteorit Planet Sci. doi:10.1111/maps.12711 LINK (OPEN ACCESS) “Planar deformation features (PDFs) in quartz are one of the most reliable and most widely used…

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