Effect of carbon dioxide on the melting of granite and feldspars

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ID: 294181
1959
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Abstract
Unlike water vapor and F, carbon dioxide under pressure has little or no effect on the rates of melting or crystallization of granite or alkali feldspars, and the melting temperatures are apparently unaffected except insofar as pressure per se raises the temperature of melting. The melting temperature of granite in the presence of a mixture of carbon dioxide and water vapor at a fixed total pressure is raised if the proportion of carbon dioxide in the vapor is increased, indicating that carbon dioxide is less soluble in granitic liquids than is water. Although the solubility of carbon dioxide in granitic liquids is too small to be determined directly by the techniques used, any appreciable solubility would produce a measurable lowering of the melting temperature. It is suggested that the solution of carbon dioxide in silicate liquids depends upon the availability of cations which are not structurally bound to the silicate network of the liquid and are therefore available for carbonate formation in the liquid.
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openalex_W2333346867 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Peter J. Wyllie, O. F. Tuttle
Journal american journal of science
Year 1959
DOI
10.2475/ajs.257.9.648
URL
https://ajs.scholasticahq.com/article/58778.pdf
Keywords Keywords not found

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