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珲春煤田系内陆盆地型煤田。板石勘探区位于煤田南部,含煤地层为下第三系珲春组。笔者参加了“珲春煤田板石勘探区煤层
Hunchun coalfield inland basin type coalfield. Slate Exploration Area is located in the southern coalfield, coal-bearing strata of the Lower Third Member Hunchun formation. The author participated in "Huichun coalfield slate exploration area seam