normal align=center>镍矿床工业指标一般要求表

normal align=center>项   目

normal align=center>硫化镍矿

normal align=center>氧化镍—

normal align=center>硅酸镍矿

normal align=center>原生矿石

normal align=center>氧化矿石

normal align=center>坑采

normal align=center>露采

normal align=center>坑采

normal align=center>露采

normal align=center>边界品位（ωB）%

normal align=center>0.2～0.3

normal align=center>0.2～0.3

normal align=center>0.7

normal align=center>0.7

normal align=center>0.5

normal align=center>最低工业品位（ωB）%

normal align=center>0.3～0.5

normal align=center>0.3～0.5

normal align=center>1

normal align=center>1

normal align=center>1

normal align=center>矿床平均品位（ωB）%

normal align=center>0.8～2

normal align=center>0.6～1

normal align=center>1.5

normal align=center>1.2

normal align=center> 

normal align=center>最小可采厚度m

normal align=center>1

normal align=center>2

normal align=center>1

normal align=center>2

normal align=center>1

normal align=center>夹石剔除厚度m

normal align=center>≥2

normal align=center>≥3

normal align=center>≥2

normal align=center>≥3

normal align=center>1～2