A low pressure investigation of the stability of phlogopite

Geochimica et Cosmochimica Acta
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Abstract

Phlogopite reacts to form orthorhombic kalsilite, leucite, forsterite and fluid (H2O) at 1012 ± 7°C, 400 bars pressure, and 905 ± 5°C at 100 bars pressure. The heat of reaction is 39 ± 4 kcal compared to 44 ± 6kcal for the reaction of annite to form orthorhombic kalsilite, leueite, fayalite and fluid (H2O). The results are consistent with earlier experiments, but not with the interpretations of those experiments.

Publication type Article
Publication Subtype Journal Article
Title A low pressure investigation of the stability of phlogopite
Series title Geochimica et Cosmochimica Acta
DOI 10.1016/0016-7037(67)90064-6
Volume 31
Issue 11
Year Published 1967
Language English
Publisher Elsevier
Description 6 p.
First page 2248
Last page 2253
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