Basal quartz deformation lamellae; a criterion for recognition of impactites

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ID: 293084
1965
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Abstract
Quartz deformation lamellae parallel to the basal (0001) plane, identical to lamellae produced experimentally at ordinary laboratory strain rates, occur to the exclusion of lamellae of other orientations in specimens from six cryptoexplosive structures, including the Vredefort Ring, South Africa, Barringer Crater, Arizona, and Clearwater Lakes, Quebec. The basal lamellae are randomly oriented in space and are significantly different in character and crystallographic orientation from lamellae of all other natural occurrences. Available data indicate that the shear stress differences required to produce the basal lamellae could easily result from shock due to impact of an extraterrestrial body but could not reasonably result from natural explosions generated within the Earth.
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openalex_W2154035444 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors N. L. Carter
Journal american journal of science
Year 1965
DOI
10.2475/ajs.263.9.786
URL
https://ajs.scholasticahq.com/article/61437.pdf
Keywords Keywords not found

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