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Sound velocities of polycrystalline MgSiO3 -orthopyroxene to 10 GPa at room temperature
Sound velocities polycrystalline MgSiO3 -orthopyroxene temperature
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2012/3/31
A polycrystalline sample of MgSiO3-orthopyroxene was hot pressed at a pressure of 4 GPa and temperature of 975 8 C in a multi-anvil apparatus. The recovered specimen has a bulk density within 1% of th...
A new garnet-orthopyroxene thermometer based on reversed Al2O3 solubility in FeO-Al2O3-SiO2 orthopyroxene
garnet-orthopyroxene thermometer reversed Al2O3 solubility FeO-Al2O3-SiO2 orthopyroxene
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2012/4/5
Reversedphase-equilibriumdata,collectedoverthe P-T range12¤C20kbarat850¤C11C,de?nethesolubilityofAl O inferrosilite(Fs)inequilibriumwithalmandinegarnet
(Alm).Thenewdataindicatesigni?cantlylowerAlO so...
An XAFS study of the crystal chemistry of Fe in orthopyroxene
XAFS crystal chemistry Fe orthopyroxene
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2012/4/9
X-ray absorption fine-structure (XAFS) spectra at the Fe Kedge in Bamble enstatite (Mgo88Feo,,)Si03 wereanalyzed in conjunction withtheoretical XAFSspectra to determine the bonding configuration of Fe...
Orthopyroxene from the Serra de Magé meteorite: A structure-refinement procedure for a Pbca phase coexisting with a C2/c exsolved phase
Orthopyroxene Serra de Magé meteorite structure-refinement procedure Pbca phase coexisting C2/c exsolved phase
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2012/4/6
AnX-ray structure-refinement procedure wasdeveloped to characterize orthopyroxene from the Serra de Magemeteorite. In the studied sample, the orthorhombic phase coexists with exsolution lamellae of C2...