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Trondhjemites, dacites, and related rocks /
Trondhjemites, Dacites, and Related Rocks.
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Amsterdam ; New York : New York :
Elsevier Scientific Pub. Co. ; Distributors for the U.S.A. and Canada, Elsevier/North-Holland,
1979.
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| Colección: | Developments in petrology ;
6. |
| Temas: | |
| Acceso en línea: | Texto completo Texto completo |
Tabla de Contenidos:
- Front Cover; Trondhjemites, Dacites, and Related Rocks; Copyright Page; Preface; Contributors; Table of Contents; CHAPTER 1. TRONDHJEMITE: DEFINITION, ENVIRONMENT AND HYPOTHESES OF ORIGIN; Abstract; Trondhjemite: definition; Major-element character; Occurrence; Hypotheses of origin; Comments on Archean gray gneiss complexes; Relation to subduction; Acknowledgments; References; CHAPTER 2. A REVIEW OF THE MINERALOGY AND CHEMISTRY OF TERTIARY-RECENT DACITIC, LATITIC, RHYOLITIC, AND RELATED SALIC VOLCANIC ROCKS; Abstract; Introduction; Chemistry; Phenocryst mineralogy.
- Interrelationships between mineralogy and chemistryRegional variations of dacitic and rhyolitic magmas; Acknowledgments; References; Appendices; CHAPTER 3. SOME TRACE ELEMENTS IN TRONDHJEMITES
- THEIR IMPLICATIONS TO MAGMA GENESIS AND PALEOTECTONIC SETTING; Introduction; Selection and reliability of trace elements; Tectonic environments and trace element patterns; Models of trondhjemite genesis; Conclusions; References; CHAPTER 4. STRONTIUM ISOTOPE GEOCHEMISTRY OF LATE ARCHEAN TO LATE CRETACEOUS TONALITES AND TRONDHJEMITES; Abstract; Introduction; Samples and criteria; Data; Results.
- ConclusionsAcknowledgments; References; CHAPTER 5. OCEANIC PLAGIOGRANITE REVISITED; Abstract; Introduction; Keratophyre and plagiogranite; Nomenclature; Petrography; Intergrowths; Chemistry; Summary; References; CHAPTER 6. ARCHEAN GRAY GNEISSES AND THE ORIGIN OF THE CONTINENTAL CRUST: EVIDENCE FROM THE GODTHAB REGION, WEST GREENLAND; Abstract; Introduction; The Nuk gneisses; Origin of the Nuk magmas; Comparison with younger tectonic environments; A model for the generation of the Nuk gneisses; The Amitsoq gneisses; Conclusions; Acknowledgments; References.
- CHAPTER 7. METAMORPHIC DEVELOPMENT OF EARLY ARCHEAN TONALITIC AND TRONDHJEMITIC GNEISSES: SAGLEK AREA, LABRADORAbstract; Introduction; Geological setting; Geological relations in the Saglek area; Meta-plutoni e rocks: the Uivak gneisses; Supracrustal rocks; Petrology; Geochemistry; Discussion and origin of the Uivak gneisses; Implications for Archean crustal development; Acknowledgments; References; CHAPTER 8. GEOCHEMISTRY OF ARCHEAN TRONDHJEMITIC AND TONALITIC GNEISSES FROM SCOTLAND AND EAST GREENLAND; Abstract; Introduction; Geochemistry; Discussion; References.
- CHAPTER 9. THE ROLE OF TONALITIC AND TRONDHJEMITIC ROCKS IN THE CRUSTAL DEVELOPMENT OF SWAZILAND AND THE EASTERN TRANSVAAL, SOUTH AFRICAIntroduction; General geologic setting of Swaziland and eastern Transvaal; Geology of the tonalitic-trondhjemitic suites; Geochemistry of the tonali te-trondhjemite suites; Origin of the tonalite-trondhjemite suites; Summary and discussion; References; CHAPTER 10. PETROCHEMISTRY AND TECTONIC SETTING OF PLUTONIC ROCKS OF THE SUPERIOR PROVINCE IN MANITOBA; Abstract; Introduction; Terminology; Regional geology; Regional geophysics; Age of plutonism.