UID:
almahu_9948025346302882
Umfang:
1 online resource (xv, 659 pages) :
,
illustrations
ISBN:
1-4832-8960-5
Serie:
Developments in Petrology ; 6
Anmerkung:
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
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Interrelationships between mineralogy and chemistry; Regional 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
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Conclusions; Acknowledgments; 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
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CHAPTER 7. METAMORPHIC DEVELOPMENT OF EARLY ARCHEAN TONALITIC AND TRONDHJEMITIC GNEISSES: SAGLEK AREA, LABRADOR; Abstract; 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
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CHAPTER 9. THE ROLE OF TONALITIC AND TRONDHJEMITIC ROCKS IN THE CRUSTAL DEVELOPMENT OF SWAZILAND AND THE EASTERN TRANSVAAL, SOUTH AFRICA; Introduction; 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; Petrochemistry
,
English
Weitere Ausg.:
ISBN 1-322-25714-0
Weitere Ausg.:
ISBN 0-444-41765-6
Sprache:
Englisch
