High temperature solvent growth of anorthite on the join CaAl2Si2O8-SiO2
β Scribed by Jun Ito
- Publisher
- Springer
- Year
- 1976
- Tongue
- English
- Weight
- 422 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0010-7999
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π SIMILAR VOLUMES
We present 29Si MAS NMR data for a well-ordered natural anorthite, obtained in situ at temperatures of from 25 to 500 ~ C, which follow the changes in the aluminosilicate framework through the PI-I1 structural phase transition. Pairs of peaks due to sites offset by ap-I [111] converge through the Pi
Density measurements have been carried out on the melt system diopside-anorthite from room temperature to 1600 ~ C at 1 atm, and from 1400 ~ C to 1800 ~ C at pressures up to 20 Kb. The densities were determined based on the dilatometric curve and density at 22~ for lowtemperatures, the double-bob Ar
The solidus temperatures in the haplogranite-systern NaA1Si3Os-KA1Si3Os-SiO2-H 2 0 -C O 2 have been determined up to 15 kbar for a constant molar ratio of sodium to potassium of 1 : 1 and for fluid compositions ranging from pure water to pure carbon dioxide. The data for the water-saturated solidus