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Wybrecht, E., Duplay, J., Piqué, A., Weber, F. (1985) Mineralogical and chemical evolution of white micas and chlorites, from diagenesis to low-grade metamorphism; data from various size fractions of greywackes (Middle Cambrian, Morocco) Mineralogical Magazine, 49 (352) 401-411 doi:10.1180/minmag.1985.049.352.11

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Reference TypeJournal (article/letter/editorial)
TitleMineralogical and chemical evolution of white micas and chlorites, from diagenesis to low-grade metamorphism; data from various size fractions of greywackes (Middle Cambrian, Morocco)
JournalMineralogical MagazineISSN0026-461X
AuthorsWybrecht, E.Author
Duplay, J.Author
Piqué, A.Author
Weber, F.Author
Year1985 (June)Volume49
Issue352
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_49/49-352-401.pdf+
DOIdoi:10.1180/minmag.1985.049.352.11Search in ResearchGate
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Mindat Ref. ID3746Long-form Identifiermindat:1:5:3746:8
GUID0
Full ReferenceWybrecht, E., Duplay, J., Piqué, A., Weber, F. (1985) Mineralogical and chemical evolution of white micas and chlorites, from diagenesis to low-grade metamorphism; data from various size fractions of greywackes (Middle Cambrian, Morocco) Mineralogical Magazine, 49 (352) 401-411 doi:10.1180/minmag.1985.049.352.11
Plain TextWybrecht, E., Duplay, J., Piqué, A., Weber, F. (1985) Mineralogical and chemical evolution of white micas and chlorites, from diagenesis to low-grade metamorphism; data from various size fractions of greywackes (Middle Cambrian, Morocco) Mineralogical Magazine, 49 (352) 401-411 doi:10.1180/minmag.1985.049.352.11
In(1985, June) Mineralogical Magazine Vol. 49 (352) Mineralogical Society
Abstract/NotesAbstractFour size fractions have been separated and studied in eight samples of Cambrian greywackes, ranging from non-metamorphic to low metamorphic grade. Chemical study included analyses of each size fraction and comparison with the whole rock analysis. Mineralogical study involved analyses of individual crystals using microprobe (> 6 µm) and STEM (< 6 µm). This showed that in each fraction, a progressive homogenization of the mineralogical composition occurred during the development of metamorphism; that chemical transfers especially of Fe-Mg and K-Na, occurred between fine and coarse fractions and that recrystallization in fine and coarse fractions was simultaneous.


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