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Experimental data on melting reactions of muscovite+quartz in the system K2O-Al2O3-SiO2-H2O to 20 Kb water pressure

✍ Scribed by Bernhard Storre; Ekkehard Karotke

Publisher
Springer
Year
1972
Tongue
English
Weight
131 KB
Volume
36
Category
Article
ISSN
0010-7999

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Stability of almandine in the system FeO
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Almandine, although decomposing in the presence of metallic iron into the anhydrous subsolidus assemblage fayalite + ferrocordierite + hereynite solid solution at low pressures, melts incongruently to hercynitess -~ quartz + liquid at 10 kb. At pressures between about 12 and 20 kb the products of in