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da bie shan de yi ge xin fa xian
Author(s): 
Pages: 126
Year: Issue:  2
Journal: Journal of Chengdu University of Technology

Keyword:  新发现大别山北麓中酸性火山岩中生代河南省流纹岩石泡发育地质珍珠岩;
Abstract: <正> 据《中国地质》1990年第1期报道:河南省大别山北麓发育一条中生代的中酸性火山岩带。在流纹岩中形成了一种特殊的“石泡”构造。“石泡”大小不一,大的粒径近2m,小的仅数毫
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