Through an exploratory survey of residual deposit in the sourthern zone of a copper ore mine,inclined thin veins with difficult occurrence and complicated mining conditions were discovered.
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释义
某铜矿在矿区南部探边扫盲时,探获了与原主矿体赋存状态截然不同的倾斜薄矿脉;其产状变化大,开采条件较复杂。
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