Low Temperature Hydrothermal Synthesis from Dolomite or Calcite, Quartz and Kaolinite
- 1 June 1971
- journal article
- Published by Cambridge University Press (CUP) in Clays and Clay Minerals
- Vol. 19 (2) , 109-114
- https://doi.org/10.1346/ccmn.1971.0190207
Abstract
Dolomite or calcite, quartz and kaolinite in various proportions were reacted at 250–300°C temperatures and pressures up to 90 bars in a hydrous environment. Reactions which approached completion produced talc, calcite, montmorillonite, anorthite (both metastable hexagonal and stable triclinic polymorphs) and the rare Ca-zeolite, garronite. These reactions are applicable to diagenesis, low-grade metamorphism and hydrothermal alteration.Keywords
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