1) Pre-carboniferous
前石炭纪
1.
On the basis of understanding the palaeo-geologic maps, and choosing the tuff from the first bottom bed of the Sub-member 4 in Majiagou Member 5 as the guide bed, mapping of the Pre-carboniferous palaeokarst landform in central Ordos Basin is finished.
在认识研究古地质图的基础上,选取马家沟组五段四亚段一小层底部的凝灰岩为标志层,完成了盆地中部前石炭纪岩溶古地貌图。
2) Carboniferous
[英][,kɑ:bə'nifərəs] [美][,kɑrbə'nɪfərəs]
石炭纪
1.
Geobiological Processes and the Formation of Hydrocarbon Source Rocks in the Carboniferous-Early Permian Glacial Period in South China;
华南地区石炭纪-早二叠世早期成冰期的地球生物学过程与烃源岩的形成
2.
Volcanism and genesis of Carboniferous volcanic rocks in the Nurt faulted volcanic basin;
诺尔特断陷火山盆地石炭纪火山岩成因及火山作用机理
3.
Carboniferous Extinction and Influence on Evolution of Reef Communities;
石炭纪生物绝灭事件对造礁群落的影响
3) carboniferous period
石炭纪
1.
The results indicate that: in Carboniferous period,Kunlun orogenic belt was in an extension setting,and the north Kunlun was an active margin rift with littoral-neritic sediments of salf-blue water and volcanic basin;the Central Kunlun was an ocean island and underwater uplift,the oceanic islands were denudation areas,whereas the underwater uplifts were mai.
通过多年野外观察、分析测试,结合覆盖全区的1∶250000区域地质调查资料及其他前人研究成果,选择昆仑造山带晚古生代洋盆发育的典型时期石炭纪,对其地层、岩相特征、构造古地理以及构造演化进行了研究。
2.
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.
内蒙古东南部古生代造山带在石炭纪时期的构造环境和构造演化,至今在认识上存在较大的分歧。
3.
The northwestern margin of Tarim plate was a typical passive continental margin during Carboniferous period.
塔里木板块西北缘石炭纪时期为一典型的被动大陆边缘,通过对本区石炭纪沉积层序及相对海平面变化研究,识别出不同类型的层序界面(SB1,SB2),并据此划分了4个二级沉积层序—超层序(Supersequence)和8个三级沉积层序(Sequence),且在区域上或全球范围内基本上可以对比。
6) Carboniferous period(system)
石炭纪(系)
补充资料：前纪
1.关于前代历史的记载。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条