Fluid flow and metasomatism in a subduction zone hydrothermal system

Catalina Schist terrane, California

G. E. Bebout, Mark D Barton

Research output: Contribution to journalArticle

150 Citations (Scopus)

Abstract

On Santa Catalina Island, southern California, blueschist to amphibolite facies metasedimentary, metamafic, and meta-ultramafic rocks show veining and alteration that reflect fluid flow and mass transfer at 25-45 km depths in an Early Cretaceous subduction zone. Synkinematic and postkinematic veins record fluid transport and metasomatism during prograde metamorphism and uplift. Vein and host-rock mineralogy and whole-rock compositions demonstrate large-scale chemical redistribution, especially of Si and alkali elements. -from Authors

Original languageEnglish (US)
Pages (from-to)976-980
Number of pages5
JournalGeology
Volume17
Issue number11
DOIs
StatePublished - 1989
Externally publishedYes

Fingerprint

prograde metamorphism
blueschist
ultramafic rock
hydrothermal system
metasomatism
amphibolite facies
schist
host rock
subduction zone
fluid flow
mass transfer
terrane
mineralogy
uplift
Cretaceous
fluid
rock
chemical

ASJC Scopus subject areas

  • Geology

Cite this

Fluid flow and metasomatism in a subduction zone hydrothermal system : Catalina Schist terrane, California. / Bebout, G. E.; Barton, Mark D.

In: Geology, Vol. 17, No. 11, 1989, p. 976-980.

Research output: Contribution to journalArticle

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