lower carboniferous meaning in English
早石炭世
Examples
- Dwarf fauna from the lower carboniferous of jingtai , gansu , china
甘肃景泰地区早石炭世小个体动物群 - Ma ' anqiao formation of lower carboniferous and its role in tectonic evolution of tianshan mountains
下石炭统马鞍桥组在天山构造演化中的地位 - Abstract : 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。 - Based on the fossil and isotopic data , langquan formation and poziquan formation are classified into lower carboniferous , while heishishan formation and mazhuangshan formation into upper carboniferous
结合古生物化石和同位素年龄资料，将狼泉组和坡子泉组划归下石炭统，黑石山组和马庄山组划归上石炭统。 - These deposits , which can be obviously divided into basic and acid volcanic types , are present in the carboniferous bi - model volcanic series and occur along two horizons , i . e . , the lower carboniferous mafic volcanic rock and the upper carboniferous felsic volcanic rock
这些矿床产在石炭系双峰式火山岩系之内，沿著下石炭统基性火山岩和上石炭统酸性火山岩两个层位产出，分别以玄武岩和流纹岩为容矿主岩，可以明显地分成基性火山岩型和酸性火山岩型两种类型。