carboniferous period

基本解釋

The new research is focused on the Carboniferous Period, when the supercontinent of Pangea was covered in tropical rainforests ruled by reptiles.
在30億年前的石炭紀(jì)時(shí)代，大陸被熱帶雨林覆蓋，并由爬行動(dòng)物所統(tǒng)治。
The Guibei Mountain developed from the limestone and dolomite in the Carboniferous Period (about 362-290 million years ago). The rock strata grow horizontally with pure texture.
龜背山山體發(fā)育在石炭紀(jì)（距今約3億6千2百萬(wàn)年至2億9千萬(wàn)年）石灰?guī)r和白云巖中。
There are great bifurcations as yet on the structural environment and on the evolution of the Xingmeng Paleozoic orogenic belt in Southeast Inner Mongolia during the Carboniferous Period.
內(nèi)蒙古東南部古生代造山帶在石炭紀(jì)時(shí)期的構(gòu)造環(huán)境和構(gòu)造演化，至今在認(rèn)識(shí)上存在較大的分歧。