The Lailishan tin deposit is a main deposit type in the western subzone of the western Yunnan tin ore zone.

来利山锡矿床是滇西锡矿带西亚带的一种主要的矿床类型。

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The hanging wall block is relatively little disturbed, but the ore zone beneath bears abundant evidence of tangential movements .

上盘岩块相对地变动不大，而其下的矿石带却具有许多切线运动的证据。

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The change of the mineral assemblage and content of every ore zone makes the change of the existing state and distribution of Au.

由于各矿带矿物组合及含量的变化，使金的赋存状态及分布也发生相应改变。

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Freeport blamed this drop largely on changes to mine plans at the Grasberg mine in Indonesia, which delayed access to higher-grade material, and a slower-than-expected ramp-up at the Deep Ore Zone underground mind.

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Basically, to assess mineral content the geologists drill some holes and assay the ore for potash exploring percentage of mineral content as well as the thickness of the pay zone.

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