Knorring, Oleg von, Condliffe, Eric (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48 (348) 443-448 doi:10.1180/minmag.1984.048.348.16
Reference Type | Journal (article/letter/editorial) | ||
---|---|---|---|
Title | On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire | ||
Journal | Mineralogical Magazine | ISSN | 0026-461X |
Authors | Knorring, Oleg von | Author | |
Condliffe, Eric | Author | ||
Year | 1984 (September) | Volume | 48 |
Page(s) | 443-448 | Issue | 348 |
Publisher | Mineralogical Society | ||
Download URL | https://rruff.info/doclib/MinMag/Volume_48/48-348-443.pdf+ | ||
DOI | doi:10.1180/minmag.1984.048.348.16Search in ResearchGate | ||
Mindat Ref. ID | 3652 | Long-form Identifier | mindat:1:5:3652:2 |
GUID | 593a9966-d742-4f3d-ad88-8cdd44440131 | ||
Full Reference | Knorring, Oleg von, Condliffe, Eric (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48 (348) 443-448 doi:10.1180/minmag.1984.048.348.16 | ||
Plain Text | Knorring, Oleg von, Condliffe, Eric (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48 (348) 443-448 doi:10.1180/minmag.1984.048.348.16 | ||
In | (1984, September) Mineralogical Magazine Vol. 48 (348) Mineralogical Society | ||
Abstract/Notes | Abstract A number of rare-element minerals from the Meldon aplite are described, e.g. native arsenic and antimony, arsenolite, stibiconite, and various niobium-tantalum minerals. Some of the minerals are new to the occurrence and some may be new to the British Isles. Particular attention has been paid to the Nb-Ta minerals and a large number of electron-microprobe analyses for manganocolumbite, manganotantalite, and microlite are presented. Examination of numerous, minute crystals and fragments of columbite-tantalite revealed a complex oscillatory zoning, indicating a slow rate of cooling and perhaps incomplete miscibility of the isomorphous columbite-tantalite series. |
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