Other nonmetallic minerals that are produced in large quantities in Japan include silica sand (3.73 million tons), which is used as a raw material for glass and ceramics, silica stone (1.83 million tons), and dolomite (3.77 million tons), which is used in steelmaking furnaces. Sulfur mining once held a prominent position in Japan's nonmetallic mining industry, with major mines such as the Matsuo Mine in Iwate Prefecture. However, since the late 1960s, the country has produced a lot of sulfur recovered from oil desulfurization as a measure against pollution. *Some of the terminology used in the "sulfur mining" industry is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… それ以外の日本の生産量の多い非金属鉱物としては,ガラス,陶磁器などの原料となるケイ砂(373万t),ケイ石(183万t),製鋼炉に使われるドロマイト(377万t)などがある。 なお硫黄鉱業はかつては日本の非金属鉱業のなかでも有力な地位を占め,岩手県の松尾鉱山のような有力な鉱山があった。しかし1960年代後半から,公害対策として石油の脱硫による回収硫黄が多く生産されるようになった。… ※「硫黄鉱業」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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