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机构地区:[1]Department of Geology, Peking University
出 处:《Chinese Science Bulletin》1989年第14期1212-1216,共5页
基 金:Project supported by the National Natural Science Foundation of China, and this report is one of the results of the NSFC item "Ductile shear zone" (85072)
摘 要:The glasses already found in nature fall into three categories: (1) volcanic glass related to volcanic eruptions, (2) diaplectic glass related to meteoritic impactions or nuclear explosions, and (3) pseudotachylite related to high-speed faulting movements. The volcanic glass, resulting from rapid cooling of high-temperature magma, is closely connected to volcanic rocks and does not contain any water. The diaplectic glass,
关 键 词:enhydrous TECTONIC GLASS TREMOLITE GLASS displectie GLASS PSEUDOTACHYLITE
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