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Bahat, Dov (1979) Anorthoclase megacrysts: physical conditions of formation. Mineralogical Magazine, 43 (326) 287-291 doi:10.1180/minmag.1979.043.326.11

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Reference TypeJournal (article/letter/editorial)
TitleAnorthoclase megacrysts: physical conditions of formation
JournalMineralogical MagazineISSN0026-461X
AuthorsBahat, DovAuthor
Year1979 (June)Volume43
Issue326
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_43/43-326-287.pdf+
DOIdoi:10.1180/minmag.1979.043.326.11Search in ResearchGate
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Mindat Ref. ID3022Long-form Identifiermindat:1:5:3022:3
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Full ReferenceBahat, Dov (1979) Anorthoclase megacrysts: physical conditions of formation. Mineralogical Magazine, 43 (326) 287-291 doi:10.1180/minmag.1979.043.326.11
Plain TextBahat, Dov (1979) Anorthoclase megacrysts: physical conditions of formation. Mineralogical Magazine, 43 (326) 287-291 doi:10.1180/minmag.1979.043.326.11
In(1979, June) Mineralogical Magazine Vol. 43 (326) Mineralogical Society
Abstract/NotesSummaryPrevious interpretations relating to precipitation of anorthoclase megacrysts from alkaline basaltic magmas under high-pressure conditions are contradicted. It is proposed that these feldspars were crystallized above the solvus from hydrous melts at shallow depths, under low-pressure equilibrium conditions. These melts had been considerably enriched with volatiles of sodium, strontium, and barium, and to some extent also of rubidium.


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