Nkombwa Hill (Nkumbwa, Nkumba) (Record #65) rare-earth element deposit in Zambia

Carbonatite rare earth element deposit in , Zambia

Deposit type	Carbonatite
Age of deposit	Late Proterozoic-- 679 ± 25 Ma (K-Ar, phlo, carbonatite)
REE minerals	monazite pyrochlore bastnäsite daqingshanite
Ore minerals	apatite isokite pyrochlore sellaite thorium siderite magnesite strontianite pyrite barite ilmenite
Gangue minerals	dolomite ankerite iron oxides quartz phlogopite
Host rock types	magnesian carbonatite rauhaugite breccia

Geologic map unit	32.85, -10.15
Other databases	Find additional scientific data near this location

Status	Occurrence

de Kun, N., 1987, Mineral economics of Africa: New York, Elsevier, Developments in Economic Geology 22, p. 241-243.
Neary, C.R., and Highley, D.E., 1984, The economic importance of the rare earth elements, in Henderson, P., ed., Rare earth element geochemistry: New York, Elsevier, Developments in Geochemistry 2, p. 423-466.
Overstreet, W.C., 1967 The geologic occurrence of monazite: U.S. Geological Survey Professional Paper 530, 327 p.
Woolley, A.R., 2001, Alkaline rocks and carbonatites of the world-- Part 3: Africa: London, The Geological Society, 372 p.