... upper sieve extension ==> 上筛的延长部分 Upper Silurian ==> 晚志留世 upper Sinian series ==> 上震旦统 ...
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Upper-Ordovician to Silurian 上奥陶统一志留系
The upper silurian system of the Shaerbuer mountain region of west Jungger is maga-formation of pyroclastic turbidite.
萨勒布尔提山上志留统克克雄库都克组为一套巨厚的火山碎屑浊积岩。
Unless the upper part of Ningqiang Formation maybe belongs to Middle Silurian, the others belong to lower Silurian.
本区绝大部分地层为下志留统，只有宁强组上部可能为中志留统。
The lead-zinc deposits occur in the Lower Silurian Meiziya Formation, Middle Silurian Shuanghezhen Formation, Middle Devonian Dafenggou Formation and Upper Devonian Nanyangshan Formation.
铅锌矿赋存于下志留统梅子垭组、中志留统双河镇组及中泥盆统大枫沟组、上泥盆统南羊山组；
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