在湖南的西南方向,云南東部的早石炭世含煤地層稱萬壽山組,其層位可能略低于測水組,亦產煤層;洷钡能饺厣浇M及桂北的寺門組與測水組完全相當,均含可采煤層,但經濟價值略遜于湘中。自湖南以東的相當沉積包括江西之梓山組,粵東的忠信組,閩西的林地組以及浙西的葉家塘組,其層位約略高于測水組,且一般不含可采煤層。此外,蘇皖南部的同期沉積稱高驪山組,但其地層特征與測水組的可比性已很不明顯,顯示它們雖然同屬華南沉積區(qū),卻由于江南古陸相隔而具有各自的特色。在華北沉積區(qū),早石炭世的中朝地臺仍處于隆升狀態(tài),其南緣瀕臨秦嶺海槽,在陸緣區(qū)有下石炭統(tǒng)發(fā)育,但經過多次的俯沖、對接和碰撞之后,現(xiàn)僅于豫南固始、商城及陜南山陽、鳳縣有局部殘留。固始的楊山組在多層礫巖中夾有多層極不穩(wěn)定的薄煤層,是活動區(qū)含煤沉積的特點。
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