lower cambrian
常见例句
- Aershan; Lower Cambrian; Suzhong Formation; Mixing sediments; grain size parameter; tidal flat;
阿尔山； 寒武系； 苏中组； 混合沉积； 粒度参数； 潮坪； - The hosting ledge of Zhongjiapu navajoite belongs to the famous south lower Cambrian black ore-bearing rock series.
钟家铺钒矿的赋矿层位属南方有名的“下寒武统黑色含矿岩系”。 - Sulvanite occurred in the Lower Cambrian silicalite and slate in the large barium metallogenic belt of southern Qinling Mountains.
在南秦岭下寒武统硅岩建造中的毒重石-重晶石矿床中，产出大量硫钒铜矿。 返回 lower cambrian