Melting relations of island arc lavas from Grenada, Lesser Antilles

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Authors:Graham, A. M.
Volume Title:Progress in experimental petrology, Fifth progress report of research supported by N.E.R.C. 1978-1980
Volume Authors:Ford, C. E., editor
Source:Progress in experimental petrology, Fifth progress report of research supported by N.E.R.C. 1978-1980, edited by C. E. Ford. Progress in Experimental Petrology, Vol.5, p.126-132. Publisher: Natural Environment Research Council, London, United Kingdom. ISSN: 0309-6882
Publication Date:1981
Note:In English; illus. incl. 5 anal., 1 table
Summary:Experiments were carried out at 2 and 4 kbar, both buffered (Ni/NiO) and unbuffered, in the presence of an H2O-CO2 fluid. Two series of basalts can be distinguished on the basis of CaO/MgO plots; 'M-series' basalts have higher MgO for a given value of CaO than 'C-series' basalts. M-series basalts have large primary phase fields of olivine and spinel while a C-series basalt has clinopyroxene as the primary liquidus phase with plagioclase near the liquidus at low H2O contents. The experimental data place useful constraints on the origin of the rock suite. [C.M.B.H.]
Subjects:Composition; Crystal growth; Cumulates; Experimental studies; Fugacity; High temperature; Igneous rocks; Magmas; Melting; Minerals; Petrology; Phase equilibria; Silicates; Temperature; Antilles; Caribbean region; Grenada; Lesser Antilles; West Indies; Igneous activity
Abstract Numbers:83M/4483
Record ID:1986044961
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom, Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique
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