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Science 3 May 1968:
Vol. 160. no. 3827, pp. 526 - 528
DOI: 10.1126/science.160.3827.526
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Articles

Meteoritic Impact and Deformation of Quartz

Neville L. Carter 1

1 Department of Geology, Yale University, New Haven, Connecticut

Quartz deformation lamellae parallel to c{OOO1} and planar features parallel to ohgr{10imacr3} 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.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)