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。
By compiling the paleogee raphic maps of petrographic facies of several late Triassic periods in YunnanProvince,the paper analysed and approachedthe occurence patterns of the late Triassic sea-ms,making suggestions for classification andcoal-bearing potential of the Late Trissic coal-forming periods in the province.
出处
《煤田地质与勘探》
CAS
CSCD
北大核心
1990年第2期2-11,共10页
Coal Geology & Exploration