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51问答网 > 建筑石料用灰岩一般开采回采率是多少

建筑石料用灰岩一般开采回采率是多少

2025-03-16 23:00:50

推荐回答（2个）

回答1：

开采回采率是衡量矿产资源利用程度和矿山开采技术水平的一个最重要的指标.露天和地下开采的矿山,在采矿过程中,从开采区域内(矿坑或露天采场中)所产出的矿石量叫回采矿量或矿石采出量,一般是直接计量而得.而动用该地段内所消耗的地质储量称之为该区域内消耗的工业储量,包括回采矿量及采下或未采下损失在矿坑或露天采场内的矿石.

回答2：

一般露天矿回采率要求95%以上

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