Lower Carboniferous Series的意思|示意

It"s the first report that Luocheng Fm. diachronism in lower carboniferous series in Huanjiang area of northern Guangxi."

文摘：广西环江下石炭统罗城组具穿时性在桂北地区罗城组有关资料报道中属首次。

Its wall rocks consist of the regional metamorphic rock, series of Mayuan formation and middle-lower Carboniferous series as well as lower Jurassic Lishan formation.

其围岩有麻源组和中下石炭统的区域变质岩系及下侏罗统梨山组地层等。

Permo Carboniferous coal series have relative good coal gas potential, dark mudstones in lower Jurassic, lower part of Middle Jurassic and lower Cretaceous are the best source rocks.

区内石炭—二叠纪煤系具有良好的煤型气及一定的煤层气潜力，中、下侏罗统和下白垩统暗色泥岩类是最具生油潜力的烃源岩系。

The Lower Carboniferous Ceshui and Upper Permian Longtan coal series are most important in Southeast China, and can both generate and bear gas greatly in the Lianyuan coal basin, Central Hunan, China.

湘中涟源煤盆地早石炭世测水组、晚二叠世龙潭组煤系是中国东南诸省境内最重要的煤系，具有较大的生气、储气能力。

The lower part of the Upper Carboniferous Series is called Sixiakou Formation whose definition differ.

上石炭统下部称泗峡口组，重新定义了泗峡口组的含义。