Fluid—Rock Interactions during Metamorphism by M. L. Crawford, L. S. Hollister (auth.), John V. Walther,

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By M. L. Crawford, L. S. Hollister (auth.), John V. Walther, Bernard J. Wood (eds.)

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Soc. London 140, 635-649. F. (1949) Structural petrology of planes of liquid inclusions. 1. Geol. 57, 331-356. R. (1981) l3C1I2C exchange between calcite and graphite: A possible thermometer in Grenville marbles. Geochim. Cosmochim. Acta 45, 411-419. Vidale, R. (1983) Pore solution compositions in a pelitic system at high temperatures, pressures and salinities. Amer. 1. Sci. 283-A, 298-313. Walther, J. V. (1983) Description and interpretation of metasomatic phase relations at high pressures and temperatures.

If the melt is removed, the H 20 goes with it, later to be incorporated in the hydrous minerals that crystallize from the melt. All the COz-rich fluid need not also have left the rock during this process if it were selectively trapped as fluid inclusions in microcracks in the quartz. t substituting for K+. Assuming very low solubility of N2 in melt analogous to CO2, the N2 could enter microcracks and be trapped as fluid inclusions. Nz-bearing fluid inclusions in migmatites have been reported by Touret and Dietvorst (1983).

74, 85-93. Selverstone, J. (1982) Fluid inclusions as petrogenetic indicators in granulite xenoliths, Pali-Aike volcanic field, southern Chile. Contrib. Mineral. Petrol. 79, 1-9. S. , and Morteani, G. (1984) High pressure metamorphism in the SW Tauern window, Austria. P-T paths from hornblendekyanite-staurolite schists. J. Petrol. 25, 501-531. M. (1980) Formation of synthetic fluid inclusions in natural quartz. Amer. Mineral. 65, 1233-1236. H. (1981) COz-brine immiscibility at high temperatures, evidence from calcareous metasedimentary rocks.

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