normal align=center>铝土矿床一般工业指标

normal align=center>项目

normal align=center>一水硬铝石型

normal align=center>沉积型矿床

normal align=center>露采

normal align=center>坑采

normal align=center>边界品位

normal align=center>铝硅比值

normal align=center>1.8～2.6

normal align=center>1.8～2.6

normal align=center>ω（Al2O3）%

normal align=center>≥40

normal align=center>≥40

normal align=center>块段最低工业品位

normal align=center>铝硅比值

normal align=center>≥3.5

normal align=center>≥3.8

normal align=center>ω（Al2O3）%

normal align=center>≥55

normal align=center>≥55

normal align=center>最低可采厚度m

normal align=center>0.5～0.8

normal align=center>0.8～1.0

normal align=center>夹石剔除厚度m

normal align=center>0.5～0.8

normal align=center>0.8～1.0

normal align=center>剥采比m3/m3

normal align=center>10～15

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