| 单词 | shocked quartz |
| 释义 | > as lemmasshocked quartz shocked quartz n. Mineralogy quartz which has a disrupted microscopic structure formed by the high pressure but relatively low temperature of a passing shock wave, typically from the impact of a meteorite (cf. coesite n. and stishovite n.). ΚΠ 1963 T. E. Bunch & A. J. Cohen in Science 18 Oct. 380/3 The term shocked quartz is presented here to describe highly deformed quartz that has ruptured in response to high pressure developed by meteorite impact, or possibly by other shock mechanisms. 2014 E. Kolbert Sixth Extinction iv. 80 Under high magnification, shocked quartz exhibits what look like scratch marks, the result of bursts of high pressure that deform the crystal structure. Shocked quartz was first noted at nuclear test sites and subsequently found in the immediate vicinity of impact craters. < as lemmas |
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