…Also, limonite deposits are formed when iron-containing water is oxidized in swamps, lake bottoms, and shallow sea bottoms. The most famous limonite deposits are the egg-shaped limonite deposits found in France from the Alsace-Lorraine region to Luxembourg, and the ore is called minette ore. In Japan, limonite deposits that precipitated from hot spring water in Quaternary volcanic areas are known in various places, such as the Kutchan Mine in Hokkaido. … *Some of the terminology that mentions "Minette" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…また沼沢地,湖底,浅海底などで鉄を含む水が酸化されて,褐鉄鉱層が生成する。最も有名な褐鉄鉱層はフランスのアルザス・ロレーヌ地域からルクセンブルクにかけて分布する魚卵状褐鉄鉱層で,その鉱石はミネットMinette鉱と呼ばれる。日本では第四紀火山地帯の温泉水から沈殿した褐鉄鉱鉱床が所々に知られ,北海道俱知安鉱山などがその例である。… ※「Minette」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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