Lamprophyres
著者
書誌事項
Lamprophyres
Van Nostrand Reinhold , Blackie, c1991
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- : us
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内容説明・目次
内容説明
Following their recognition by GUmbel (1874), lamprophyres were treated for an entire century as little more than obscure curiosities. Although this situation has changed recently, with a flowering of publications and active workers, lamprophyres remain almost the only group of igneous rocks which have not yet received attention in a dedicated monograph. In five exploratory reviews (1977-1987), the writer aimed to set out what was known about these rocks. The lUGS Subcommission on igneous rock systematics had meanwhile presented its nomenclatural framework (Streckeisen 1979). All this has now been overtaken by a recent explosion of interest, epitomized not least by lamprophyres' greater prominence in the 4th International Kimberlite Conference Proceedings. More data have become available since 1985 than over the entire previous century, and it is obviously impossible for such an extraordinary outpouring to be fully reviewed in this first, preliminary book. At the risk of dissatisfying some readers, therefore, this book concentrates on factual matters, and on a broad overview rather than minutiae.
Because not even a world map of known lamprophyres was previously available, almost half the book is deliberately taken up by the first global lamprophyre compilation, and its commensurately extensive Bibliography. Such a compendium of largely objective information is believed to be of more immediate interest and lasting value than a premature pottage of petrogenetic polemic. Chapters 1-7 bring previous studies up to date, and concentrate on factual information.
目次
1 What are Lamprophyres? - History, Definitions, Classification.- 2 When and Where? - Global Distribution, Igneous Associations.- 3 Field Geology and Petrography - Macroscopy and Microscopy.- 4 Cognate Mineralogy.- 5 Whole-rock Geochemistry.- 6 Inclusion Suites - Macrocrysts, Xenocrysts, Xenoliths, etc..- 7 Plutonic and Volcanic Equivalents of Lamprophyres.- 8 Nature, Origin and Evolution of Lamprophyre Melts.- 9 Economic Geology.- 10 A Selective Lamprophyre Bibliography.- Appendix A Abbreviations and Symbols.- Appendix B Glossary of lamprophyres and ambiguous petrological terms.- Appendix C Global Compilation of Lamprophyre Occurrences.- Table Cl Confirmed occurrences of cale-alkaline lamprophyres.- Table C2 Confirmed occurrences of alkaline lamprophyres.- Table C3 Confirmed occurrences of ultramafic lamprophyres.- Table C4 Confirmed occurrences of lamproites.- Table C5 Additional documentation for the appinite suite and vaugnerite series.- Table C6 Confirmed mixed or transitional occurrences (covering two or more branches).- Table C7 Unconfirmed occurrences of "lamprophyres".- Table C8 Apocryphal occurrences of "lamprophyres".- Appendix D The computerized lamprophyre database LAMPDA.
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