Reference Type | Journal (article/letter/editorial) |
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Title | Zirconium-bearing amphiboles from the Igaliko Dyke Swarm, South Greenland |
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Journal | Mineralogical Magazine | ISSN | 0026-461X |
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Authors | Pearce, N. J. G. | Author |
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Year | 1989 (March) | Volume | 53 |
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Issue | 369 |
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Publisher | Mineralogical Society |
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Download URL | https://rruff.info/doclib/MinMag/Volume_53/53-369-107.pdf+ |
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DOI | doi:10.1180/minmag.1989.053.369.12Search in ResearchGate |
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| Generate Citation Formats |
Mindat Ref. ID | 1479 | Long-form Identifier | mindat:1:5:1479:7 |
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GUID | 0 |
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Full Reference | Pearce, N. J. G. (1989) Zirconium-bearing amphiboles from the Igaliko Dyke Swarm, South Greenland. Mineralogical Magazine, 53 (369) 107-110 doi:10.1180/minmag.1989.053.369.12 |
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Plain Text | Pearce, N. J. G. (1989) Zirconium-bearing amphiboles from the Igaliko Dyke Swarm, South Greenland. Mineralogical Magazine, 53 (369) 107-110 doi:10.1180/minmag.1989.053.369.12 |
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In | (1989, March) Mineralogical Magazine Vol. 53 (369) Mineralogical Society |
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Abstract/Notes | AbstractSodic-calcic and alkali amphiboles from benmoreitic members of the Igaliko Dyke Swarm contain up to 4.13 wt. % ZrO2. It is proposed that Zr enters the amphiboles by a coupled substitution of(where C = octahedral site and T = tetrahedral site) to produce the richest Zr-bearing amphiboles so far identified, with compositions ranging up toThese amphiboles crystallize at a late stage from magmas which were Zr-rich, highly peralkaline and hydrous, with an fo2 close to the synthetic QMF buffer. The incorporation of Zr in to the amphibole is a consequence of the failure of other Zr-bearing phases (such as zircon, baddeleyite, eudialyte) to crystallize. |
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