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Reference Search (possible matching items)

	*Mitchell, Roger H. (2015) Primary and secondary niobium mineral deposits associated with carbonatites. Ore Geology Reviews, 64. 626-641 doi:10.1016/j.oregeorev.2014.03.010*	Journal (article/letter/editorial)
	Similar supergene occurrences occur at Lueshe and Bingo (D.R. Congo), Mabounié (Gabon), Sukulu (Uganda)...date, all major operating and former (Oka, Fen, Lueshe) Nb mines have been developed in primary carbonatites...only operating Nb mine in under-saturated peralkaline syenites is the Karnasurt mine (Kremenetsky et al...units presents in carbonatites e.g. the Loolekop mine at Phalaborwa (Fig. 250 of Woolley, 2001), Catalão-I...(Parsons, 1961; Pell, 1996) and a low grade niobium mine was operated by St. Lawrence Columbium at Oka (Quebec)

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Søvite from Lueshe Mine, Bwito, Rutshuru Territory, North Kivu, DR Congo

Søvite from
Lueshe Mine, Bwito, Rutshuru Territory, North Kivu, DR Congo