Black Ore 黒鉱

Black Ore 黒鉱
In appearance that is mined in mine Japan Sea side of black ore collectively. As zinc, lead and copper ore was mined widely. Once the Black ore refinery was done in Akita Prefecture.
黒鉱(くろこう、kurokou、black ore)とは、日本海側の鉱山で採掘される外見の黒い鉱石の総称である。黒い鉱石の正体は、閃亜鉛鉱(ZnS)、方鉛鉱(PbS)、黄銅鉱(CuFeS2)などであり、それぞれ亜鉛や鉛、銅などの鉱石として広く採掘された。
黒鉱はおよそ直径10Kmの熱水域でみつかることがある。
かつては秋田県で黒鉱精製が行われわていた。

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