| Reference Type | Journal (article/letter/editorial) |
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| Title | Chemical variation of clinopyroxene phenocrysts from the trachybasaltic lavas of Mount Etna, Sicily |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Duncan, A. M. | Author |
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| Preston, R. M. F. | Author |
| Year | 1980 (June) | Volume | 43 |
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| Issue | 330 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_43/43-330-765.pdf+ |
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| DOI | doi:10.1180/minmag.1980.043.330.10Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 3132 | Long-form Identifier | mindat:1:5:3132:9 |
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| GUID | 0 |
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| Full Reference | Duncan, A. M., Preston, R. M. F. (1980) Chemical variation of clinopyroxene phenocrysts from the trachybasaltic lavas of Mount Etna, Sicily. Mineralogical Magazine, 43 (330) 765-770 doi:10.1180/minmag.1980.043.330.10 |
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| Plain Text | Duncan, A. M., Preston, R. M. F. (1980) Chemical variation of clinopyroxene phenocrysts from the trachybasaltic lavas of Mount Etna, Sicily. Mineralogical Magazine, 43 (330) 765-770 doi:10.1180/minmag.1980.043.330.10 |
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| In | (1980, June) Mineralogical Magazine Vol. 43 (330) Mineralogical Society |
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| Abstract/Notes | SummaryThe chemical variation of clinopyroxene phenocrysts from the trachybasaltic lavas of Etna volcano is described. The phenocrysts show a limited, but distinct trend in chemical variation from calcic-augite in the hawaiites to augite in the benmoreites. The trend of this variation is unusual, being one of Mg-enrichment with differentiation of the magma. Ca shows a steady decrease in the clinopyroxenes from the hawaiites to the benmoreites. Na, however, shows little chemical variation in the pyroxenes. The trace element chemistry is briefly examined. The clinopyroxenes show well-developed oscillatory and sector zoning. The basal {11} sectors are enriched in Si and Mg and depleted in Ti, Al, and Fe relative to the {100}, {110}, and {010} prism sectors. |
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