lower cambrian

常見例句

Aershan; Lower Cambrian; Suzhong Formation; Mixing sediments; grain size parameter; tidal flat;
阿爾山；寒武系；蘇中組；混合沉積；粒度參數(shù)；潮坪；
The hosting ledge of Zhongjiapu navajoite belongs to the famous south lower Cambrian black ore-bearing rock series.
鐘家鋪釩礦的賦礦層位屬南方有名的“下寒武統(tǒng)黑色含礦巖系”。
Sulvanite occurred in the Lower Cambrian silicalite and slate in the large barium metallogenic belt of southern Qinling Mountains.
在南秦嶺下寒武統(tǒng)硅巖建造中的毒重石-重晶石礦床中，產(chǎn)出大量硫釩銅礦。