| Reference Type | Journal (article/letter/editorial) |
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| Title | Grandidierite from aluminous metasedimentary xenoliths within acid volcanics, a first record in Italy |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | van Bergen, Manfred J. | Author |
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| Year | 1980 (March) | Volume | 43 |
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| Issue | 329 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_43/43-329-651.pdf+ |
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| DOI | doi:10.1180/minmag.1980.043.329.15Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 3109 | Long-form Identifier | mindat:1:5:3109:1 |
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| GUID | 0 |
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| Full Reference | van Bergen, Manfred J. (1980) Grandidierite from aluminous metasedimentary xenoliths within acid volcanics, a first record in Italy. Mineralogical Magazine, 43 (329) 651-658 doi:10.1180/minmag.1980.043.329.15 |
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| Plain Text | van Bergen, Manfred J. (1980) Grandidierite from aluminous metasedimentary xenoliths within acid volcanics, a first record in Italy. Mineralogical Magazine, 43 (329) 651-658 doi:10.1180/minmag.1980.043.329.15 |
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| In | (1980, March) Mineralogical Magazine Vol. 43 (329) Mineralogical Society |
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| Abstract/Notes | SummaryGrandidierite has been identified in two aluminous metasedimentary xenoliths from quartz-latitic volcanic rocks from Mt. Amiata and Mt. Cimino, central Italy. Physical and electron microprobe data for the grandidierites and petrological data for the grandidierite-bearing xenoliths are presented. The grandidierites formed by a reaction involving pre-existing aluminium rich minerals, possibly at temperatures of at least 800 °C and at low pressures. The grandidierite from Mt. Amiata replaces sillimanite. Several common characteristics can be demonstrated for magmatic and metamorphic grandidierite-bearing rocks. It is suggested that metamorphic rocks in which grandidierite occurs have often undergone partial melting. |
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