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Chromium : its physicochemical behavior and petrologic significance : papers from a Carnegie Institution of Washington conference, Geophysical Laboratory /
Chromium: Its Physicochemical Behavior and Petrologic Significance.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor Corporativo: | |
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Oxford ; New York :
Pergamon Press,
1976.
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| Colección: | Geochimica et cosmochimica acta ;
v. 39, no. 6/7. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Chromium: Its Physicochemical Behavior and Petrologic Significance; Copyright Page; Table of Contents; FOREWORD; Chapter 1. Phase relations in chromium oxide-containing systems at elevated temperatures; INTRODUCTION; PHASE BELATIONS IN SELECTED CHROMIUM OXIDE-CONTAINING SYSTEMS; Chapter 2. The system chromium-oxygen at high oxygen pressures; INTRODUCTION; PHASE RELATIONS; CHARACTERIZATION OF THE PHASES; COMMENTS ON THE STABILITY OF TETRAVALENT CHROMIUM; Chapter 3. Thermochemistry of chromium compounds, especially oxides at high temperature; INTRODUCTION.
- CHROMIUM METAL, ITS ALLOYS, AND OXIDATION STATE OF THE METALHIGH TEMPERATURE OXIDE CHEMISTRY OF CHROMIUM; Chapter 4. Solid oxide electrolyte emf cell determination of the standard free energy of Cr2O3 and applications to chromium-bearing mineral systems; INTRODUCTION; STANDARD FREE ENERGY OF FORMATION OF Cr2O3; EXPERIMENTAL TECHNIQUE FOR MEASUREMENT OF FREE ENERGY RELATIONSHIP; EXPERIMENTAL RESULTS; DISCUSSION; SOLID ELECTROLYTES FOR THERMOCHEMICAL MEASUREMENTS IN CHROMIUM-BEARING MINERALS; SUMMARY; Chapter 5. Preparation of Cr2O3 crucibles and the defect structure of Cr2O3; INTRODUCTION.
- METHODDISCUSSION; Chapter 6. Smelting chrome ore; INTRODUCTION; SMELTING REACTIONS; CARBON CONTENT OF FERROCHROME ALLOYS; CONCLUSION; Chapter 7. Crystal field effects in chromium and its partitioning in the mantle; INTRODUCTION; CRYSTAL FIELD ENERGIES; FRACTIONATION OF CHROMIUM IN THE MANTLE; Chapter 8. Crystal-field effects in spinel: oxidation states o�i iron and chromium; INTRODUCTION; EXPERIMENTAL METHODS; CRYSTAL-FIELD EFFECTS; SPECTRA AT HIGH PRESSURE; ASSIGNMENT OF BANDS OF Fe2+, Fe3+, Cr2+ AND Cr3+ IN SPINEL; INTERPRETATION OF THE CHEMICAL HISTORY OF THE SPINELS.
- Chapter 9. Trivalent and divalent chromium ions in spinelsINTRODUCTION; EXPERIMENTAL PROCEDURES; RESULTS AND DISCUSSION; Chapter 10. Magnetic properties of chromium chalcogenide spinels; CRYSTALLOGRAPHY; MAGNETIC PROPERTIES; CONCLUSIONS; Chapter 11. Magnetochemical characterization of Fe(FexCr2_x)O4 spinels; INTRODUCTION; BACKGROUND TO MAGNETIC HYSTERESIS CHARACTERISTICS; EXPERIMENTAL RESULTS; DISCUSSION AND CONCLUSIONS; Chapter 12. Mineralogy of chromium; Chapter 13. Distribution and significance of chromium in meteorites; INTRODUCTION; BULK CHROMIUM IN METEORITES.
- CHROMIUM IN METEORITIC MINERALSSIGNIFICANCE OF CHROMIUM CONCENTRATION AND DISTRIBUTION IN METEORITES; Chapter 14. Chromium and the genesis of diamond; INTRODUCTION; OLIVINE; CHROMITE; CHROME-DIOPSIDE; CHROME-PYROPE; CHROMIUM IN DIAMOND; Chapter 15. Chromite spinels from ultramafic xenoliths; INTRODUCTION; TEXTURAL TYPES; CHEMISTRY OF THE CHROMITE SPINELS; DISCUSSION; Chapter 16. Coexisting spinel and silicates in alpine peridotites of the granulite facies; INTRODUCTION; THE SEIAD ULTRAMAFIC COMPLEX; THE FINERO ULTRAMAFIC MASS; COMPARISON OF THE SEIAD AND FINERO COMPLEXES; MINERAL CHEMISTRY.