塊かい鉱こう

noun

lump ore

Technical term used in mining and metallurgy for ore in lump form, as opposed to fine or powdered ore.

• 塊かい鉱こうは粉ふん鉱こうより処しょ理りが容よう易いな場ば合あいがある。

  Lump ore can sometimes be easier to process than fine ore.