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).
ASJC Scopus subject areas
- Earth and Planetary Sciences(all)