恢复古火山机构的一种标志
AN INDICATOR FOR RECONSTRUCTION OF PALEOVOLCANIC EDIFICES
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摘要: 本文通过一些实例,详细介绍了黑曜岩、沸石岩产出的地质构造背景,分析了它们与火山喷发岩相及火山机构之间,存在着密切的成因联系。因此,黑曜岩和沸石岩可以作为恢复古火山机构的重要标志之一。Abstract: By means of some examples, this paper introduces in detail the structural setting for occurrence of obsidian and zeolitite and analyses their close genetic relation with eruptive rocks and volcanic edifices. Therefore, obsidian and zeolitite may serve as one of the important indicators for reconstruction of paleovolcanic edifices.
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