Definition of Lamprophyres. Meaning of Lamprophyres. Synonyms of Lamprophyres

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Definition of Lamprophyres

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Meaning of Lamprophyres from wikipedia

- America, and young ultramafic lamprophyres from Gympie in Australia with 18.5% MgO at ~250 Ma. Modern science treats lamprophyres as a catch-all term for ultrapot****ic...
- diorites, lamprophyres, alkali-syenites and rhyolites. The parent gabbroic magma is shown to have given rise in sequence to diorites, lamprophyres and alkali-syenites...
- Vaselli, O. (October 1999). "Petrology and geochemistry of xenoliths in lamprophyres from the Deccan Traps: implications for the nature of the deep crust...
- R. H., Rock, N. M. S., Scott Smith, B. H., 1996. classification of lamprophyres, lamproites, kimberlites, and the kalsilitic, melilitic, and leucitic...
- otherwise inaccessible mantle. Basalts, kimberlites, lamproites and lamprophyres, which have their source in the upper mantle, often contain fragments...
- continental crust above upwelling mafic magma, such as at rift zones. Lamprophyres and melilitic rocks Kimberlite Lamproite Orangeite (see Group II kimberlite)...
- greater than 90% amphiboles, which have a feldspar groundm****, may be lamprophyres. Metamorphic rocks composed primarily of amphibole, plagioclase, with...
- Lamproite – Ultrapot****ic mantle-derived volcanic or subvolcanic rock Lamprophyre – Ultrapot****ic igneous rocks – An ultramafic, ultrapot****ic intrusive...
- more than 50% carbonate minerals are classified as carbonatites, while lamprophyres are rare ultrapot****ic rocks. Both are further classified based on detailed...
- is encountered as a primary igneous phenocryst within lamproites and lamprophyres, the result of highly fluid-rich melt compositions within the deep mantle...