THERMODYNAMICS AND PETROLOGY OF CUMMINGTONITE
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dc.contributor.author | Evans B.W. | |
dc.contributor.author | Ghiorso M.S. | |
dc.date.accessioned | 2020-11-19T06:43:27Z | |
dc.date.available | 2020-11-19T06:43:27Z | |
dc.date.issued | 1995 | |
dc.identifier | https://elibrary.ru/item.asp?id=25557290 | |
dc.identifier.citation | American Mineralogist, 1995, , , 649-663 | |
dc.identifier.issn | 0003-004X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/19007 | |
dc.description.abstract | Natural cummingtonite encompasses virtually the entire compositional range from Mg to Fe end-member. It occurs in several metamorphic rock types, but predominantly in amphibolites and metaironstones. Most examples were produced under amphibolite-facies conditions. Cummingtonite is also a critical indicator of T, aH2O, and fO2 in silicic volcanic rocks from shallow magma chambers. The solution properties of cummingtonite reflect the entropic and enthalpic consequences of temperature-dependent, long-range ordering of Mg and Fe2+ on the M1 + M3, M2, and M4 sites, plus modest site-mismatch energies. The stability of cummingtonite in relation to other phases is discussed. | |
dc.title | THERMODYNAMICS AND PETROLOGY OF CUMMINGTONITE | |
dc.type | Статья |
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