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接触変成作用

3 件の記事

All of "Devonian and younger", "Silurian", and "Ordovician" are country rock. The igneous intrusion leads to a volcanic eruption.

カントリーロック（母岩）の地質学的役割と貫入岩との関係

カントリーロック母岩貫入岩マグマ
2026年8月10日続きを読む →
Schematic representation of a metamorphic reaction. Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals represented in the figure do not participate in the reaction, they can be quartz and K-feldspar. This reaction takes place in nature when a mafic rock goes from amphibolite facies to greenschist facies.

変成作用のメカニズムと岩石の分類地球内部で起こる物質の変容

変成作用原岩変成相広域変成作用
2026年8月10日続きを読む →
Illustration showing the difference between a dike and a sill.

シル（岩床）の地質学的特徴と形成メカニズム

シル岩床貫入岩ダイク
2026年8月10日続きを読む →