| Loun, Jan, Novák, Milan, Cempírek, Jan, Škoda, Radek, Vašinová Galiová, Michaela, Prokeš, Lubomír, Dosbaba, Marek, Čopjaková, Renata (2018) Geochemistry and secondary alterations of microlite from eluvial deposits in the Numbi mining area, South Kivu, Democratic Republic of the Congo. The Canadian Mineralogist, 56 (2) 203-220 doi:10.3749/canmin.1700091 | Journal (article/letter/editorial) | ELUVIAL DEPOSITS IN THE NUMBI MINING AREA, SOUTH KIVU, DEMOCRATIC REPUBLIC OF THE CONGO JAN LOUN§, MILAN NOVÁK...belt unit, Numbi mining area, South Kivu province of the Democratic Republic of the Congo. Two examined...(columbite–tantalite), wodginite þ ferrotapiolite; at the Misumari II pegmatite (berylcolumbite subtype) microlite...cassiterite, columbite–tantalite þ wodginite–ferrowodginite. Both pegmatites underwent deep tropical weathering;...Primary microlite from the lessfractionated Misumari II pegmatite is rather homogeneous and has Ta/(Ta |
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