论文部分内容阅读
日本北海道发现金矿脉据日本金属矿业机构的人士透露,日本的地质勘探队在日本北海道北部上士幌(Karubihoro)市郊发现了金矿脉。该金矿脉是经过为时6个月的钻探工程之后发现的。一条矿脉宽12m,每吨含金9.37g,位于矿床入口处314.8米和326....
Gold Hits Found in Hokkaido, Japan According to sources at Japan’s Metal Mining Agency, Japanese geological prospecting teams discovered gold veins on the outskirts of Karubihoro in northern Hokkaido, Japan. The gold vein was discovered after a six-month drilling project. A mine is 12 meters wide and contains 9.37 grams of gold per ton, at 314.8 meters and 326 at the entrance to the deposit. ...