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nephelinite

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neph·e·lin·ite  (nf-l-nt)
n.
An igneous rock consisting chiefly of pyroxene and nepheline.
nephelinite [ˈnɛfɪlɪˌnaɪt]
n
(Earth Sciences / Geological Science) a fine-grained basic laval rock consisting of pyroxene and nepheline
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.nephelinite - an igneous rock consisting of nepheline and pyroxene
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
nepheline, nephelite - a whitish mineral consisting of sodium aluminum silicate or potassium aluminum silicate in crystalline form; used in the manufacture of ceramics and enamels
pyroxene - any of a group of crystalline silicate mineral common in igneous and metamorphic rocks
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These finding are significant because it shows that these extremely bizarre lavas and their parent magmas, nephelinites, were produced by melting of a typical upper mantle mineral assemblage without an extreme carbon content in the magma source," said geochemist Bernard Marty at the Centre de Recherches Petrographiques et Geochimiques in Nancy, France.
Melting minerals found to be source of Tanzanian volcano's ... by Asian News International
These rocks, nephelinites, only contain nepheline [+ or -] melilite.
Igneous rock associations 4. Oceanic island volcanism I mineralogy ... by Mallory-Greenough, Leanne M. / Geoscience Canada
Carrier rocks are postulated to be nephelinite, basanite and leucitite.
Caledonian Pacific Minerals Announces Exploration License Application ... by Business Wire
 
 
 
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