A cavity within a vein that is not completely filled and is generally covered with minerals of a different composition from the surrounding rocks [Arkell & Tomkeieff: 1953]. "Gama" is a slang term for a cavity in the earth.ToadSource: Asakura Publishing Dictionary of Petrology Information |
脈の中で十分に充填されていない空洞で,一般に鉱物は周囲の岩石とは異なった組成で覆われている[Arkell & Tomkeieff : 1953].“がま”は地中の空洞の俗語.がま出典 朝倉書店岩石学辞典について 情報 |
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