岩石循環
来自维基百科,自由的百科全书
来自维基百科,自由的百科全书
岩石循環是指不同岩石互相轉化的過程。循環的開端是岩漿,經冷卻和結晶成為火成岩。岩石經風化、侵蝕分解,再由搬運、分選、沉積成沉積物。後者再岩化成沉積岩。岩石可經壓力、熱力轉化成變質岩。最後岩石在破壞性板塊邊界俯衝入地幔而下熔化成岩漿,循環於是不息[1]。
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