middle silurian meaning in English
中志留世
Examples
- From the middle silurian to the early devonian , no fossils were found in the eqm , which probably indicates that the eqm was a land and was connected with the north china block
在中志留世至早泥盆世，东秦岭未发现古生物化石，很可能为陆地，并与华北陆块联为一体。 - The results show that the ore - bearing strata occur in variegated strata of middle silurian quannaogoushan formation , that the metallogenic materials might have been derived from the land area , and the metallogenic epoch is middle silurian
结果表明，天鹿铜矿床赋存于中志留统泉脑沟山组杂色岩层中，其成矿物质来自陆源，主成矿期为中志留世，属沉积砂岩型铜矿床。