北上山地の超塩基性岩類にみられる変成鉱物(3)透角閃石
1967 年 58 巻 4 号 p. 136-142
詳細
1967 年 58 巻 4 号 p. 136-142
Some parts of the ultramafic intrusive bodies in the Kitakami mountainland have been metamorphosed by the granitic intrusions. Four tremolites from metamorphosed ultramafic rocks have been chemically analysed. From these data, chemical conditions of contact metamorphism are discussed.
