…On the other hand, the quarries where limestone and dolomite, which are legal minerals, are excavated are also called quarries as local colloquial names. The plants that crush, sort, and size the rocks excavated from the quarries according to their uses, such as aggregate, road construction stone, roadbed ballast, and landfill stone, or the quarries and the plants together are called crushing plants, but because it is difficult to distinguish between the two, the quarries themselves are sometimes called "toriishijo." [Iwasaki Takashi]. … *Some of the terminology that refers to "crushing plant" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…一方,法定鉱物である石灰石やドロマイトの採掘場も,地域的俗称として,採石場ということがある。採石場で採掘された岩石を骨材,道路構築用石材,道床バラスト,埋立用石材などの用途に応じて破砕・選別,整粒する工場,またはこの工場と採石場を含めて砕石場(さいせきじよう)crushing plantというが,区別がしにくいために,とくに採石場を〈とりいしじょう〉と称することがある。【岩崎 孝】。… ※「crushing plant」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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