Phase relations among greenschist, epidote amphibolite, and amphibolite in a basaltic system

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Authors:Apted, Michael J.; Liou, J. G.
Author Affiliations:Primary:
Stanford Univ., Dep. Geol., Stanford, CA, United States
Volume Title:Orville volume; Studies in metamorphism and metasomatism
Volume Authors:Greenwood, Hugh J., editor
Source:Orville volume; Studies in metamorphism and metasomatism, edited by Hugh J. Greenwood. American Journal of Science, Vol.(283-A), p.328-354. Publisher: Kline Geology Laboratory, Yale University, New Haven, CT, United States. ISSN: 0002-9599
Publication Date:1983
Note:In English
Summary:Phase reactions and compositional variations produced during hydrothermal experiments on a basaltic glass starting material, under relatively high-P (5 and 7 kbar) and high-T (400°-700°C) conditions, are reported. Stability limits of the greenschist, epidote-amphibolite, and the lower grade of the amphibolite facies are identified as a function of P, T and fO2. The experimental results agree well with phase relations and compositional variations deduced from natural occurrences and other experimental studies. [M.S.]
Subjects:Amphibolite facies; Basaltic composition; Epidote group; Epidote-amphibolite facies; Experimental studies; Facies; Glasses; Greenschist facies; Igneous rocks; Metamorphic rocks; Metamorphism; Mineral assemblages; Minerals; Natural materials; Orthosilicates; P-T conditions; Phase equilibria; Prograde metamorphism; Silicates; Sorosilicates; Stability; Synthetic materials; Volcanic glass; Volcanic rocks
Abstract Numbers:85M/3996
Record ID:1984001221
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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