Upper mantle oxidation state: Ferric iron contents of Iherzolite spinels by 57Fe Mössbauer spectroscopy and resultant oxygen fugacities
BJ Wood, D Virgo - Geochimica et Cosmochimica Acta, 1989 - Elsevier
The ferric iron contents of spinels from 30 spinel Iherzolite xenoliths have been measured by
57 Fe Mössbauer spectroscopy. The samples are widely dispersed in geographic and …
57 Fe Mössbauer spectroscopy. The samples are widely dispersed in geographic and …
An internally consistent model for the thermodynamic properties of Fe− Mg-titanomagnetite-aluminate spinels
RO Sack, MS Ghiorso - Contributions to Mineralogy and Petrology, 1991 - Springer
A model is developed for the thermodynamic properties of Fe 2+− Mg 2+-aluminate-titanate-
ferrite spinels of space group Fd3m. The model incorporates an expression for the …
ferrite spinels of space group Fd3m. The model incorporates an expression for the …
Temperature dependence of the cation distribution in zinc ferrite (ZnFe2O4) from powder XRD structural refinements
HSC O'Neill - European Journal of Mineralogy, 1992 - research.monash.edu
Abstract Zinc ferrite (ZnFe 2 O 4) has the cubic spinel structure with an (approximately)
normal cation distribution. It was synthesised by direct reaction of the oxides at 800 C, and …
normal cation distribution. It was synthesised by direct reaction of the oxides at 800 C, and …
Oxidation during metasomatism in ultramafic xenoliths from the Wesselton kimberlite, South Africa: implications for the survival of diamond
CA McCammon, WL Griffin, SR Shee… - … to Mineralogy and …, 2001 - Springer
Garnets in xenoliths from the Wesselton kimberlite show significant zoning in major and
trace elements. The garnets were studied using room temperature Mössbauer spectroscopy …
trace elements. The garnets were studied using room temperature Mössbauer spectroscopy …
Detrital chromian spinel compositions used to reconstruct the tectonic setting of provenance; implications for orogeny in the Canadian Cordillera
HO Cookenboo, RM Bustin… - Journal of …, 1997 - pubs.geoscienceworld.org
Detrital chromian spinel is an important accessory mineral in chert and volcanic lithic
sandstones from the northern Bowser Basin. Microprobe analyses show that Bowser Basin …
sandstones from the northern Bowser Basin. Microprobe analyses show that Bowser Basin …
Critical assessment and thermodynamic modeling of the Al-Fe-O system
D Shishin, V Prostakova, E Jak, SA Decterov - Metallurgical and Materials …, 2016 - Springer
A complete literature review, critical evaluation, and thermodynamic modeling of the phase
diagrams and thermodynamic properties of phases in the Al-Fe-O system at 1 atm total …
diagrams and thermodynamic properties of phases in the Al-Fe-O system at 1 atm total …
Ferric iron in the upper mantle and in transition zone assemblages: implications for relative oxygen fugacities in the mantle
HSC O'Neill, DC Rubie, D Canil… - Evolution of the …, 1993 - Wiley Online Library
If in lower mantle assemblages Fe347X, Fe is similar in coexisting perovskite and
magnesiowlistite such that the magnesiowlistite has the same Fe3+/E, Fe as that estimated …
magnesiowlistite such that the magnesiowlistite has the same Fe3+/E, Fe as that estimated …
Temperature-dependent disorder in a natural Mg-Al-Fe2+-Fe3+-spinel
A Della Giusta, S Carbonin, G Ottonello - Mineralogical Magazine, 1996 - cambridge.org
A natural Mg-Al-Fe spinel from the Balmuccia peridotite (Italian Western Alps) was annealed
at T between 650 and 1150° C, under controlled oxygen activity, and quenched in H2O …
at T between 650 and 1150° C, under controlled oxygen activity, and quenched in H2O …
X-ray powder diffraction profile refinement of synthetic hercynite
RJ Hill - American Mineralogist, 1984 - pubs.geoscienceworld.org
A full profile X-ray powder diffraction structure refinement has been completed on a sample
of synthetic hercynite, FeAl2O4, using graphite monochromatized Cu Kα step-scan data (2 θ …
of synthetic hercynite, FeAl2O4, using graphite monochromatized Cu Kα step-scan data (2 θ …
Martian Dunite NWA 2737: Petrographic constraints on geological history, shock events, and olivine color
Meteorite Northwest Africa (NWA) 2737 is the second known chassignite, an olivine‐rich
igneous rock with mineral compositions and isotopic ratios that suggest it formed on Mars …
igneous rock with mineral compositions and isotopic ratios that suggest it formed on Mars …