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rruff.geo.arizona.edu/doclib/cm/vol34/CM34_423.pdf
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Keywords: nepheline syenite, alkali pyroxene, aegirine, aluminian aegirine, atuminian aegirine-augite, omphacite, Malawi. SoMM,cB.E l,a province alcaline du ...
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rruff.geo.arizona.edu/doclib/MinMag/Volume_37/37-286-21...
rruff.geo.arizona.edu/doclib/MinMag/Volume_37/37-286-216.pdf
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Yagi (I953) from a study of alkali pyroxenes from the alkalic rocks of the Morotu. District, Sakhalin, and later (I966) from experimental work along the join diopside ...
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faculty.uml.edu/Nelson_Eby/Research/NNAP/nnap.htm
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Three groups of pyroxenes can be distinguished. (a) Alkali pyroxenes range from diopside through aegirine-augite to aegirine. These have total Al < 0.15 (apfu) ...
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www.springerlink.com/index/G1579814L9320797.pdf
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Abstract. Ca- and Na-rich pyroxene-amphibole com- positions and textures from a range of felsic alkaline rocks have been studied in detail. The data indicate ...
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www.minsocam.org/ammin/AM61/AM61_907.pdf
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In several calc-alkaline intrusive complexes calcium-poor pyroxene, which is a major phase in the basic compositions, disappears from the more differentiated ...
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alkaline.web.ru/2011/Abstracts/Kotelnikov.htm
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Our team over the last years studied solid solutions of alkali pyroxenes, sodalite, thermodynamics clinopyroxene-biotite paragenesis, fluid regime of formation of ...
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dictionary.reference.com/browse/ijolite
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intrusiveintrusive igneous rock that is composed essentially of nepheline and an alkali pyroxene, usually aegirine-augite. It is the plutonic equivalent of the ...
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www.terrapub.co.jp/journals/GJ/pdf/0102/01020095.PDF
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andradite and the clinopyroxene itself are indicated to have locked aluminium in themselves. The very seldom occurrence of alkali pyroxene granite due to ...
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www.preservearticles.com/2012010519955/here-are-your-br...
www.preservearticles.com/2012010519955/here-are-your-brief-notes-on-pyroxenes.html
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Jan 5, 2012 ... (B) Alkali-pyroxenes: (n) Aegirine. (b) Jadeite. (c) Spodumene. (d) Johannsenite. 3. Triclinic: They are not related structurally to the pyroxenes, ...
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