Water solubility in a calcium aluminosilicate melt

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Authors:McMillan, P.; Peraudeau, G.; Holloway, J.; Coutures, J. P.
Author Affiliations:Primary:
Ariz. State Univ., Dep. Chem. Geol., Tempe, AZ 85287, United States
Volume Title:Contributions to Mineralogy and Petrology
Source:Contributions to Mineralogy and Petrology, 94(2), p.178-182. Publisher: Springer International, Heidelberg-New York, International. ISSN: 0010-7999
Publication Date:1986
Note:In English. 29 refs.; illus. incl. 2 tables
Summary:The water solubility between 1 atm and 5 kbar was measured for a Ca aluminosilicate melt of molar composition CaO 0.28, Al2O3 0.06, SiO2 0.66 (An9Wo38Q53). The water contents were measured via thermogravimetric analysis of isobarically quenched glasses, and range from 0.121 wt.% H2O near 1 atm to 9.25 wt.% H2O at 5 kbar. The molar water solubility lies between those of SiO2 and albite melts below approx 3 kbar, and crosses the albite solubility curve above this P. The present results are compared with literature data on related Ca aluminosilicate melts. There seems to be little variation of water solubility with composition for Ca aluminosilicate melts, unlike analogous alkali aluminosilicate compositions. The data suggest that there may be a maximum in molar water solubility along the albite-anorthite join. [P.Br.]
Subjects:Alkaline earth metals; Aluminosilicates; Calcium; Experimental studies; Geochemistry; Melts; Metals; Minerals; Pressure; Silicate melts; Silicates; Solubility; Water
Abstract Numbers:87M/2466
Record ID:1988018705
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom, Reference includes data from Geoline, Bundesanstalt fur Geowissenschaften und Rohstoffe
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