Kimberlites, Orangeites, and Related Rocks

Inbunden, Engelska, 1995

AvRoger H. Mitchell

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Produktinformation

Utgivningsdatum1995-07-31
Mått178 x 254 x 29 mm
Vikt998 g
FormatInbunden
SpråkEngelska
Antal sidor410
FörlagKluwer Academic Publishers Group
ISBN9780306450228

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Geovetenskap inom Naturvetenskap och teknik

1. Kimberlites and Orangeites.- 1.1. Etymology of Group I and II Kimberlites.- 1.2. Definitions of Cryptogenic and Primary Phases.- 1.3. The Hybrid Nature of Kimberlites and Orangeites.- 1.4. Philosophy and Principles of Classification.- 1.5. Mineralogical Comparisons between Kimberlites and Orangeites.- 1.6. Definitions of Orangeites and Kimberlites.- 1.7. Age and Distribution of Orangeites.- 1.8. Occurrences of Orangeites.- 1.9. Textural—Genetic Classifications of Petrological Clans….- 1.10. Petrographic Characteristics of Orangeite.- 1.11. Petrographic Differences with Respect to Kimberlites.- 1.12. Petrographic Differences with Respect to Lamproites.- 2. Mineralogy of Orangeites.- 2.1. Mica.- 2.2. Clinopyroxene.- 2.3. Olivine.- 2.4. Spinel.- 2.6. Perovskite.- 2.7. Phosphates.- 2.8. Amphiboles—Potassium Richterite.- 2.9. Potassium Feldspar.- 2.10. Ilmenite.- 2.11. Rutile.- 2.13. Carbonates.- 2.14. Other Minerals.- 2.15. Summary.- 3. Geochemistry of Orangeites.- 3.1. Contamination and Alteration.- 3.2. Primary Magma Compositions.- 3.3. Major Element Geochemistry.- 3.4. First-Period Transition Elements.- 3.5. Incompatible Elements.- 3.6. Inter-Element Relationships.- 3.7. Peridotite Mixing and Assimilation.- 3.8. Radiogenic Isotopes.- 3.9. Stable Isotopes.- 3.10. Summary.- 4. Petrogenesis of Orangeites and Kimberlites.- 4.1. Geochemical Models of Orangeite Petrogenesis Involving Limited Partial Melting of Lherzolitic Sources.- 4.2. Experimental Evidence Pertaining to Orangeite Petrogenesis.- 4.3. Petrogenesis of Archetypal Kimberlites—Recent Hypotheses...- 4.4. Geodynamic Models of Kimberlite and Orangeite Genesis.- 4.5. Petrogenesis of the Orangeite Clan.- 4.6. Petrogenesis of the Kimberlite Clan.- 4.7. Relationships of Orangeites to Kimberlites, Lamproites,and Other Ultrapotassic Magmas.- 4.8. Primary Diamond Deposits.- Postscript.- References.