英德
有道
百度
谷歌
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维基
百科
下三叠统
lower /early triassic
- 无锡嵩山下三叠统碳酸盐浅滩相剖面在中下扬子区具有特殊性和代表性。
The Lower Triassic carbonate bank section of Songshan, Wuxi is particular and typical in the Middle and Lower Yangtze Region. - 下三叠统海相烃源岩是下扬子区最有利的烃源岩，陆相沉积也具有一定的生烃潜力。
The Lower Triassic marine source rock is the most favorable one in the Lower Yangtze area, and the continental deposit has certain hydrocarbon generating potential. - 本文从基本特征出发，结合岩石学特征，尤其是化学成分及同位素组成等特征，对中扬子地区下三叠统大冶组瘤状灰岩的成因进行了探讨。
The origin of the nodular limestone of Daye Formation of Lower Triassic in the Middle Yangtze region is studied on the basis of their petrologic characteristics, chemical and isotopic compositions.
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