Reports

Meteoritic Impact and Deformation of Quartz

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Science  03 May 1968:
Vol. 160, Issue 3827, pp. 526-528
DOI: 10.1126/science.160.3827.526

Abstract

Quartz deformation lamellae parallel to c{OOO1} and planar features parallel to ω{10ī3} appear to be both characteristic of and reliable criteria for quartz deformed by shock due to impact by meteorite or comet. These features are readily distinguished from microstructures, induced during tectonic deformation, by differences in optical properties or spatial and crystallographic orientations of statistically sound populations, or in both.