Karonge (Gakara) (Record #125) rare-earth element deposit in Burundi

Karonge (Gakara)

Carbonatite with residual enrichment rare earth element deposit in , Burundi

Geographic location

Country	Burundi
Geographic location:	29.45, -3.5
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Location references

Woolley, A.R., 2001, Alkaline rocks and carbonatites of the world-- Part 3: Africa: London, The Geological Society, 372 p.

Geologic characteristics

Deposit type	Carbonatite with residual enrichment
Age of deposit	Precambrian
REE minerals	bastnäsite monazite rhabdophane cerianite fluocerite
Ore minerals	cassiterite barite pryomorphite galena
Gangue minerals	quartz carbonate microcline biotite goethite
Host rock types	metasedimentary rocks gneiss granite

Nearby scientific information

Geologic map unit	29.45, -3.5
Other databases	Find additional scientific data near this location

Economic information

Status	Past small producer REE
Company	Societe Miniere de Muhinga et de Kigali (1988)
Resource estimates	Mineable ore-- 0.06 Mt @ 3.0% bas (1.59% REO)

References for resource estimates

Jackson, W.D., and Christiansen, Grey, 1993, International strategic minerals inventory summary report-- Rare-earth oxides: U.S. Geological Survey Circular 930-N, 68 p.

Comments

REE deposit in quartz-barite-bas-mon stockworks of uncertain affiliation, but assummed in references to have carbonatite source. Weathering has produced rhab and cer. Production ceased, due to irregular distribution of grade, in 1978.

Bibliographic references

Harben, P.W., and Bates, R.L., 1990, Industrial minerals--geology and world deposits: London, Industrial Minerals Division, Metal Bulletin Plc, 312 p.
Mariano, A.N., 1989, Economic geology of rare earth minerals, in Lipin, B.R., and McKay, G.A., eds., Geochemistry and mineralogy of the rare earth elements: Washington, D.C., Mineralogical Society of America Reviews in Mineralogy 21, p. 309-348.
Möller, P., 1989a, Rare earth mineral deposits and their industrial importance, in
Jackson, W.D., and Christiansen, Grey, 1993, International strategic minerals inventory summary report-- Rare-earth oxides: U.S. Geological Survey Circular 930-N, 68 p.
de Kun, N., 1987, Mineral economics of Africa: New York, Elsevier, Developments in Economic Geology 22, p. 241-243.
Roskill Information Services, 1988, The economics of rare earths & yttrium, 1994, seventh edition: London, Roskill Information Services, 359 p. + appendices.
Woolley, A.R., 2001, Alkaline rocks and carbonatites of the world-- Part 3: Africa: London, The Geological Society, 372 p.
Van Wambeke, L., 1977, The Karonge rare earth deposits, Republic of Burundi; new mineralogical-geochemical data and origin of the mineralization: Mineralium Deposita, v. 12, no. 3, p. 373-380.