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...
- greater than 90% amphiboles, which have a feldspar groundm****, may be lamprophyres. Metamorphic rocks composed primarily of amphibole, plagioclase, with...
- otherwise inaccessible mantle. Basalts, kimberlites, lamproites and lamprophyres, which have their source in the upper mantle, often contain fragments...
- volcanic rocks ****ociated with this rise are tholeiitic lavas and intrusive lamprophyre sheets, which form a volcanic ba****t, on average, 50 m (160 ft) below...
- the Southern Kerguelen Plateau, the Rajmahal Traps/Indian lamprophyres, Antarctic lamprophyres, and the Central Kerguelen Plateau/Broken Ridge. In the late...
- rock Lamproite – Mantle rock expulsed to the surface in volcanic pipes Lamprophyre – Type of ultrapot****ic igneous rock – An ultramafic, ultrapot****ic intrusive...
- microdiamonds in the island arc of ****an are found in a type of rock called lamprophyre. Kimberlites can be found in narrow (1 to 4 meters) ****s and sills,...
- classified as diabases or dolerites. Rare ultramafic hypabyssal rocks called lamprophyres have their own classification scheme. Intrusive rocks are characterized...
- is encountered as a primary igneous phenocryst within lamproites and lamprophyres, the result of highly fluid-rich melt compositions within the deep mantle...
- ****s or sills consist either of phonolite, tinguaite, lamprophyre micromalignite, lamprophyre micromelteigite, or carbonatite. The Beemerville Alkaline...