• The iron bearing formations mainly occur in the Middle and , especially, Upper Devonian strata.

    含矿建造主要赋存于中上泥盆统 ,而以上泥盆统为主。

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  • Middle-Upper Devonian coral reef assemblage was studied in Jinshan Dashishan region near the station of Panxi, Huaning of Eastern Yunnan Province.

    滇东华宁盘溪火车站以北的金山—大石山地区发育中、晚泥盆世的丘状珊瑚礁。

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  • 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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  • Bikou ductile shear zone distributing along Kangxian county-Nianba-Maziba developed in the Devonian System and the upper Guanjiagou Formation of Sinian System.

    碧口韧性剪切带沿康县—碾坝—麻子坝一带呈连续带状展布,发育于泥盆系及震旦系关家沟组上岩段内部。

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  • The Ghost Mountain Au deposit of Luangprabang exists in the Upper Palaeozoic Devonian sandstone, SLATE and Permian limestone.

    琅勃拉邦魔鬼山金矿床,赋存于上古生界泥盆系砂、板岩和二叠系石灰岩中。

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  • The Ghost Mountain Au deposit of Luangprabang exists in the Upper Palaeozoic Devonian sandstone, SLATE and Permian limestone.

    琅勃拉邦魔鬼山金矿床,赋存于上古生界泥盆系砂、板岩和二叠系石灰岩中。

    youdao

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