• This paper introduces the results of sublevel open-stoping method and improving measures in Piaotang Tungsten Mine and makes a discussion about the mining method to the string thick-bedded ore body.

    介绍分段空场采矿漂塘钨矿应用效果改进措施,并细脉带厚矿体采矿方法探讨

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  • The ore has the pelitic and microscale pelitic texture and the micro-bedded, tabular and dense massive structure.

    矿石结构主要为泥质结构显微鳞片泥质结构,构造主要为微层状、板状致密块状

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  • Ore types are limonite fractured silicic sandstone, quartz veinlet and bedded flysch rhythm ore.

    矿石类型褐铁矿化破碎硅化砂岩石英细脉层状复理石韵律矿石。

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  • Marmatite is the guide mineral of the second ore type which appears in bedded, veined and irregular ore bodies near contact zone of magmatic rock or joint positions between faults and ore beds.

    另一以铁闪锌矿为标志,矿体似层状、不规则状等,靠近岩体接触断裂赋矿层的交汇部位产出,代表了成矿第二世代。

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  • The North ore-controlling ductile-brittle shear zone, which is the production of the evolution of the regional ductile zone, is located at the bottom of Tiejiashu-Miaowan thick-bedded limestone.

    北部控矿脆性剪切区域韧性剪切带演化产物,以左行剪切为主,位于铁夹树—庙湾北部厚层灰岩下部

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  • The North ore-controlling ductile-brittle shear zone, which is the production of the evolution of the regional ductile zone, is located at the bottom of Tiejiashu-Miaowan thick-bedded limestone.

    北部控矿脆性剪切区域韧性剪切带演化产物,以左行剪切为主,位于铁夹树—庙湾北部厚层灰岩下部

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