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Stability of (Mg,Fe) 14 Si 5 O 24 AT 17 GP a and 1800°C and its partitioning behavior of transition elements
Author(s) -
Urakawa Satoru,
Kato Manabu
Publication year - 1990
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl017i013p02457
Subject(s) - spinel , anhydrous , materials science , divalent , phase transition , transition metal , crystallography , analytical chemistry (journal) , stability (learning theory) , mineralogy , inorganic chemistry , thermodynamics , chemistry , physics , metallurgy , organic chemistry , machine learning , computer science , catalysis , biochemistry , chromatography
Stability of an anhydrous analogue of phase B (AnhB) was investigated at 17 GPa and 1800°C using an MA8 type apparatus. Fe/(Mg+Fe) ratio in AnhB is restricted to within ∼0.1. The divalent transition elements such as Ni and Co are preferentially accommodated in AnhB than in modified spinel (β).