| Reference Type | Journal (article/letter/editorial) |
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| Title | Compositional variation of some rare earth minerals from the Fen complex (Telemark, SE Norway): implications for the mobility of rare earths in a carbonatite system |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Andersen, Tom | Author |
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| Year | 1986 (September) | Volume | 50 |
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| Issue | 357 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_50/50-357-503.pdf+ |
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| DOI | doi:10.1180/minmag.1986.050.357.13Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 3885 | Long-form Identifier | mindat:1:5:3885:4 |
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| GUID | 0 |
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| Full Reference | Andersen, Tom (1986) Compositional variation of some rare earth minerals from the Fen complex (Telemark, SE Norway): implications for the mobility of rare earths in a carbonatite system. Mineralogical Magazine, 50 (357) 503-509 doi:10.1180/minmag.1986.050.357.13 |
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| Plain Text | Andersen, Tom (1986) Compositional variation of some rare earth minerals from the Fen complex (Telemark, SE Norway): implications for the mobility of rare earths in a carbonatite system. Mineralogical Magazine, 50 (357) 503-509 doi:10.1180/minmag.1986.050.357.13 |
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| In | (1986, September) Mineralogical Magazine Vol. 50 (357) Mineralogical Society |
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| Abstract/Notes | AbstractRare earth minerals in ankeritic ferrocar-bonatite and associated magnetite ore, as well as in hematite-calcite-(dolomite) carbonatite (rÞdberg) derived from the ferrocarbonatite by post-magmatic alteration, have been studied by electron microprobe. The minerals found are monazite, parisite, and bastnÀsite (identifications confirmed by X-ray diffraction) as well as an aluminous silicate with allanite composition, and possibly, synchysite. The rare earth element (REE) distribution patterns of the minerals change from light rare earth (LREE)-enriched in magnetite ore and ferrocarbonatite to less LREE-enriched, or middle REE-enriched in the most strongly re-equilibrated carbonatites. Two distinct mineral varieties, monazite-(Ce,Nd) and a Nd-fluorocarbonate, have been found in rÞdberg. The LREE were leached from their host minerals during re-equilibration of the carbonatite, most likely because of the influence of fluoride-bearing hydrothermal solutions. |
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