Fluid-assisted modification of garnet composition along rims, cracks, and mineral inclusion boundaries in samples of amphibolite facies schists

Fluid-assisted modification of garnet composition along rims, cracks, and mineral inclusion boundaries in samples of amphibolite facies schists

Compositional zoning patterns in garnet from schists in central Vermont and western Connecticut suggest that prograde garnet growth was followed by an episode of compositional modification during fluid-assisted metasomatism.

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Bibliographische Detailangaben
Veröffentlicht in:The American mineralogist 1993-04, Vol.78 (3-4), p.338-344
Hauptverfasser: Hames, Willis E, Menard, Thomas
Format: Artikel
Sprache:eng
Schlagworte:
amphibolite facies
central Vermont
Connecticut
Devonian
diffusion
facies
fluid inclusions
garnet group
Geology
Gile Mountain Formation
igneous and metamorphic rocks
inclusions
metamorphic rocks
metasomatism
mineral inclusions
mineralization
Mineralogy
Minerals
nesosilicates
orthosilicates
P-T conditions
Paleozoic
Petrology
schists
silicates
United States
Vermont
western Connecticut
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Zusammenfassung:Compositional zoning patterns in garnet from schists in central Vermont and western Connecticut suggest that prograde garnet growth was followed by an episode of compositional modification during fluid-assisted metasomatism.
ISSN:0003-004X
1945-3027