隐晶岩

隐晶岩英語:)是指顆粒非常細的火成岩,肉眼看不到它們的組成礦物晶體[1]。 這種岩石結構是由於岩漿在淺層環境中的快速冷卻造成的。它與火山玻璃(例如黑曜石)的質地不同,火山玻璃為非結晶質,具有玻璃狀外觀[2]。 隐晶岩通常是斑狀的,在細小的基質中嵌入了大晶體(斑晶)。它們基質是由非常小的礦物晶體組成,例如斜長石角閃石輝石黑雲母石英正長石[3]

參考文獻

  1. Le Maitre, R. W., ed. (1989). A classification of igneous rocks and glossary of terms. Oxford: Blackwell Science.
  2. Monroe, James Stewart; Wicander, Reed; Hazlett, Richard W. (2007). "4". In Dodson, Keith (ed.). Physical Geology: Exploring the Earth. Earth Sciences (6 ed.). USA: Thompson Brooks/Cole. p. 115. ISBN 0495011487.
  3. Chisholm, Hugh, ed. (1911). "Aphanite". Encyclopædia Britannica. 2 (11th ed.). Cambridge University Press. p. 163.
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