云南晚三叠世岩相古地理及煤层赋存规律

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。 

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

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.