云南晚三叠世岩相古地理及煤层赋存规律

THE OCEURENCE PATTERNS OF PETROGRAPHIC FACIES AND PALAEOGEO GRAPHY AND OF LATE TRA ASSIC SEAMS IN YUNNAN PROVINCE

    摘要
  • 摘要: 通过对云南晚三叠世几个时期岩相古地理图的编制,分析探讨了含煤地层的煤层赋存规律,同时,对成煤期的划分及含煤性评价提出了意见。

     

    Abstract: By compilingthe paleogeo raphic maps of petrographic facies of several late Triassic periods in YunnanProvince. the paper analysed and approachedthe occurence patterns of the late Triassin seams,making suggestions for classification andcoal-bearing potential of the Late Trissic coal-forming periods in the province.

     

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