[HTML][HTML] Trace elements in magnetite from porphyry Cu–Mo–Au deposits in British Columbia, Canada

D Canil, C Grondahl, T Lacourse, LK Pisiak - Ore Geology Reviews, 2016 - Elsevier
This study examines trace elements in hydrothermal magnetite from five porphyry Cu–Mo–
Au deposits and two skarns in British Columbia, Canada. Trace element concentrations vary …

High pressure experimental calibration of the olivine-orthopyroxene-spinel oxygen geobarometer: implications for the oxidation state of the upper mantle

C Ballhaus, RF Berry, DH Green - Contributions to Mineralogy and …, 1991 - Springer
Synthetic spinel harzburgite and lherzolite assemblages were equilibrated between 1040
and 1300° C and 0.3 to 2.7 GPa, under controlled oxygen fugacity (f O 2). f O 2 was buffered …

The effect of TiO2 and Fe2O3 on metapelitic assemblages at greenschist and amphibolite facies conditions: mineral equilibria calculations in the system K2O–FeO …

Holland, Worley - Journal of Metamorphic Geology, 2000 - Wiley Online Library
Mineral equilibria calculations in the system K2O–FeO–MgO–Al2O3–SiO2–H2O–TiO2–
Fe2O3 (KFMASHTO) using thermocalc and its internally consistent thermodynamic dataset …

Carbonatite metasomatism of the oceanic upper mantle: evidence from clinopyroxenes and glasses in ultramafic xenoliths of Grande Comore, Indian Ocean

M Coltorti, C Bonadiman, RW Hinton, F Siena… - Journal of …, 1999 - academic.oup.com
Petrological and geochemical data are presented for a suite of ultramafic xenoliths
(lherzolites and wehrlites) from La Grille volcano, Grande Comore island. These xenoliths …

Nomenclature and classification of the spinel supergroup

F Bosi, C Biagioni, M Pasero - European Journal of …, 2019 - pubs.geoscienceworld.org
A new, IMA-approved classification scheme for the spinel-supergroup minerals is here
reported. To belong to the spinel supergroup, a mineral must meet two criteria:(i) the ratio of …

Pressure-temperature-time paths and a tectonic model for the evolution of granulites

SR Bohlen - The Journal of Geology, 1987 - journals.uchicago.edu
Petrologic studies and application of well-calibrated mineralogic thermometers and
barometers reveal several important features common to many granulite terrains:(1)" Peak" …

Vanadium in peridotites, mantle redox and tectonic environments: Archean to present

D Canil - Earth and Planetary Science Letters, 2002 - Elsevier
New measurements of partition of vanadium (V) between spinel, garnet and a pigeonite-like
high pressure (P) pyroxene and magnesian liquids on the mantle solidus as a function of …

Effect of the degree of inversion on optical properties of spinel ZnFe 2 O 4

LI Granone, AC Ulpe, L Robben, S Klimke… - Physical Chemistry …, 2018 - pubs.rsc.org
Spinel ferrites (T [M1− xFex] O [MxFe2− x] O4 with 0≤ x≤ 1, where M is a bivalent metal ion
and the superscripts denote tetrahedral and octahedral sites) are materials commonly used …

Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution …

HSC O'Neill, WA Dollase - Physics and Chemistry of Minerals, 1994 - Springer
The crystal structure and cation distributions in the spinels MgCr 2 O 4, ZnCr 2 O 4, Fe 3 O 4
and a suite of ZnAl 2 O 4 samples annealed at 900 to 1400° C and then rapidly quenched …