黑龙江密山地区晚古生代煤系的发现
THE DISCOVERY OF UPPER PALAEOZOIC ERATHEM COAL-BEARING FORMATION AND ITS SIGNIFICANCE,IN MISHAN AREA,EAST HEILONGJIANG PROVINCE
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摘要: 黑龙江东部密山地区上石炭统珍子山组和下二叠统塔头河组均发育可采煤层，珍子山组含煤性较好，为主要含煤地层。这一发现意义重大。文章叙述了珍子山组和塔头河组的代表性剖面，讨论了它们的沉积特征、古生物特征和地层时代。关键词Abstract: The coal seams occur in the upper Carboniferous Zhenzishan Formation and the lower PermianTatouhe Formation in Mishan area east of Heilongjiang Province.The Zhenzishan Formation is chief coalbearingin this area.This is the first discovery up to now.In the paper,the suitable section of the Zhenzishan Formatoinand the Tatouhe Formation was expounded.The sedimental features.archeological features and geologic agewere discussed.
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