1) Lower Sinian System
震旦系下统
1.
The strata in which ores occur are Xiangmeng formation of Lower Sinian System,being characterized by plenty of ore spots and a wide distribution of them.
湘西南区氧化锰矿以锰帽型氧化锰矿为主,赋矿地层为震旦系下统湘锰组,其特点是含锰点多、分布面广,矿体在地表贫化,往下3~7m开始富集,氧化深度40m左右。
2) lower Sinian
下震旦统
1.
The lower Sinian and pre-Sinian of the Daba Mountain area in the South Qinling region;
南秦岭大巴山地区的下震旦统及前震旦系
3) Sinian-lower Palaeozoic
震旦系-下古生界
4) Sinian-Middle Triassic
震旦系-中三叠统
5) Upper Sinian-Lower Cambrian strata
上震旦统-下寒武统
6) Sinian
震旦纪;震旦系
补充资料:震旦系
见震旦纪。
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