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Liquid immiscibility in the system Na_2O-Al_2O_3-SiO_2-CO_2 at pressures to 1 kilobar

van Groos, A. F. Koster and Wyllie, P. J. (1966) Liquid immiscibility in the system Na_2O-Al_2O_3-SiO_2-CO_2 at pressures to 1 kilobar. American Journal of Science, 264 (3). pp. 234-255. ISSN 0002-9599. https://resolver.caltech.edu/CaltechAUTHORS:20160113-141512270

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Abstract

A liquid miscibility occurs within the Quaternary system, Na_2O-Al_2O_3-SiO_2-CO_2 between Na_2 CO_3-rich liquids and NaAlSi_3O_8-rich liquids. The vapor-saturated liquidus surface does not intersect the miscibility gap at low pressures, but with increasing pressure it undergoes two discontinuous shifts toward the CO_2 apex of the tetrahedron, produced by carbonation reactions in the system Na_2O-SiO_2-CO_2. These position changes cause the vapor-saturated surface to intersect the miscibility gap. At 1 kilobar pressure on the join NaAlSi_3O_8-Na_2CO_3-CO_2, the two-liquid field occurs at temperatures above 870 degrees C.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.2475/ajs.264.3.234DOIArticle
http://www.ajsonline.org/content/264/3/234PublisherArticle
Alternate Title:Liquid immiscibility in the system Na2O-Al2O3-SiO2-CO2 at pressures to 1 kilobar
Additional Information:© 1966 by American Journal of Science. We thank the National Science Foundation for supporting this work with Grant G 19588 and for covering publication charges with Grant GP-1870. The research and the manuscript have benefitted from our many discussions with G.W. Franz, A.J. Piwinskii, and D.H. Watkinson. Their assistance is gratefully acknowledged.
Funders:
Funding AgencyGrant Number
NSFG 19588
NSFGP-1870
Issue or Number:3
Record Number:CaltechAUTHORS:20160113-141512270
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20160113-141512270
Official Citation:A. F. Koster van Groos and P. J. Wyllie Liquid immiscibility in the system Na 2 O-Al 2 O 3 -SiO 2 -CO 2 at pressures to 1 kilobar Am J Sci March 1, 1966 264:234-255; doi:10.2475/ajs.264.3.234
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:63653
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:13 Jan 2016 22:22
Last Modified:03 Oct 2019 09:30

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