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niobium

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Journal Article
Published: 01 February 2020
Mineralogical Magazine (2020) 84 (1): 81–91.
... International Critical Metals Conference (Edinburgh, May 2019). 13 08 2019 27 09 2019 Copyright © Mineralogical Society of Great Britain and Ireland 2019 2019 Mineralogical Society of Great Britain and Ireland pyrochlore apatite apatitite carbonatite magma mixing Niobium...
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Journal Article
Published: 16 January 2020
The Canadian Mineralogist (2020) 58 (1): 45–69.
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Journal Article
Published: 01 January 2020
American Mineralogist (2020) 105 (1): 58–76.
... sector zonation is observed in W, with a sector below the detection limit (a) and an oscillatory zoned sector (b). A particularly high concentration of Ti (c) occurs in a concentric growth zone along with low-moderate Nb contents (d). Niobium is generally higher in the W-rich sector zone and displays...
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Journal Article
Published: 30 October 2019
Journal of the Geological Society (2019) jgs2018-214.
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