Mechanism of metamorphic fluid expulsion from ductile contact aureole: Insights from numerical modeling of a growing mid-crustal magma chamber

• Published in: Earth and planetary science letters Vol. 626; p. 118545
• Main Authors: Chen, Yanying, Li, Zhong-Hai, Tang, Kun, Shi, Yaolin
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.01.2024
• Subjects: Contact metamorphism; Incremental magma chamber growth; Metamorphic devolatilization; Porosity wave; Solid-fluid flow modeling; Metamorphic devolatilization; Porosity wave; Incremental magma chamber growth; Contact metamorphism; Solid-fluid flow modeling

•Metamorphic fluid flow in the ductile aureole above a growing laccolith is modeled.•Fluid moves as a porosity wave and can be expelled from the compacting aureole.•Continuous pluton growth leads to elevated fluid pressure and dilational deformation.•Episodic pluton growth results in top dilational...