Plant

Somirwa

Rwanda
TinNiobium (Columbium)
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Commodities
PrimaryTin, Niobium (Columbium)
Commodity typeM
Deposit
WorkingsSurface, Underground
Economic & production
Development statusPlant
First production1930
Discovery year1920
Identification
Deposit ID10118161
RegionAF
Data scoreC
Coordinates-1.89825, 30.06798
References
BERTOSSA, A., "INVENTAIRE DES MINERAUX DU RWANDA," BULLETINDU SERVICE GEOLOGIQUE NO. 4, REPUBLIQUE RWANDAISE, 1967-1968.BLEYENHEUFT, L., "EPURATION DES MINERAIS DU RWANDA,"BULLETIN DU SERVICE GEOLOGIQUE NO. 2, REPUBLIQUERWANDAISE, 1965.CIDA, LA SOMIRWA, CANADIAN INTERNATIONAL DEVELOPMENT AGENCY.(BACKGROUND NOTE).CORMINBOEUF, P., "LA MINE DE BUSORO," BULLETIN DU SERVICEGEOLOGIQUE NO. 4, REPUBLIQUE RWANDAISE, 1967-68.CORMINBOEUF, P., "LE GISEMENT DE COLUMBO-TANTALITE DECASSITERITE ET DE BERYL DE BURUSHA," BULLETIN DU SERVICEGEOLOGIQUE NO. 5, REPUBLIQUE RWANDAISE, 1968.MONTELL, C.L., TIN MINING & ORE DRESSING, HAFNER PUBLISHING,1970.MINERAL YEAR BOOK, RWANDA, 1980.MINING ANNUAL REVIEW, RWANDA, 1979, 1980, 1982.MINING JOURNAL, RWANDA, JUNE 1979, 1980, 1982.PETRICEC, V., MUFORMO, A., "NOTES SUR LA MINE DE BISERORO,"REPUBLIQUE RWANDAISE, LEGISLATION MINIERE 1971, ARRETEPRESIDENTEL 186116 PERMIS DE RECHERCHES MINIERES, DECRETLOI 13/81, IMPOTS SUR LE REVENU, INCORPORATION DE LASOMIRWA.ROSKILL, "THE ECONOMICS OF NIOBIUM, THIRD EDITION," 1974,"THE ECONOMICS OF NIOBIUM, FOURTH EDITION," 1983,ROSKILL INFORMATION SERVICES: LONDON."TINY RWANDA MUST TACKLE GIANT PROBLEMS," NEW YORK TIMES,APRIL 13, 1983.UNIVERSITE NATIONALE DU RWANDA, ETUDES RWANDAISEET INVENTAIRE DES MINERAUX DU RWANDA, DECEMBRE 1979.