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[261863]  Show Record 

Simpsonite and stibiotantalite from Benson pegmatite mine, Mtoko, Southern Rhodesia / O. von Knorring, G. Hornung
In: Mineralogical magazine and journal of the Mineralogical Society. -Vol. 33 (June 1963), p. 458-466
Subconjunto: / (464):
Descritores: Mineralogia | Geologia | Moçambique
Cota: E186-P6-GB-86|LNEG
[261865]  Show Record 

Reports : the mineralogical aspects of the pegmatite of the Alto Ligonha, Mozambique / O. von Knorring
In: Sixth annual report on scientific results : session 1960-61 / University of Leeds, Research Institute of African Geology. - Leeds : University of Leeds, 1962. - p. 7-9
Descritores: Mineralogia | Moçambique
Cota: E178-E2-GB-9|LNEG
[261866]  Show Record 

On the mineralogy of pegmatites in the Karibib and Usakos area of South-West Africa / O. von Knorring
In: Sixth annual report on scientific results : session 1960-61 / University of Leeds, Research Institute of African Geology. - Leeds : University of Leeds, 1962. - p. 9-11
Descritores: Mineralogia | Africa
Cota: E178-E2-GB-9|LNEG
[261867]  Show Record 

Some observations on the mineralogy of pegmatites in Uganda / O. von Knorring
In: Sixth annual report on scientific results : session 1960-61 / University of Leeds, Research Institute of African Geology. - Leeds : University of Leeds, 1962. - p. 11-13
Descritores: Mineralogia | Africa
Cota: E178-E2-GB-9|LNEG
[261868]  Show Record 

A geological and mineralogical study of a columbite-bearing soda granite in South-East Uganda / O. von Knorring
In: Sixth annual report on scientific results : session 1960-61 / University of Leeds, Research Institute of African Geology. - Leeds : University of Leeds, 1962. - p. 14-15
Descritores: Mineralogia | Geologia | Africa
Cota: E178-E2-GB-9|LNEG
[261882]  Show Record 

Three new bismuth minerals Uganda / O. von Knorring
In: Sixth annual report on scientific results : session 1960-61 / University of Leeds, Research Institute of African Geology. - Leeds : University of Leeds, 1962. - p. 47-48
Descritores: Mineralogia | Africa
Cota: E178-E2-GB-9|LNEG
[266001]  Show Record 

On the geochemistry of some niobium-tantalum minerals from African pegmatites / O. von Knorring
In: Twelfth annual report on scientific results : session 1966-67 / University of Leeds, Research Institute of African Geology and Department of Earth Sciences. - Leeds : University of Leeds, Research Institute of African Geology and Department of Earth Sciences, 1968. - p. 50-53
Descritores: Geoquímica | Moçambique
Cota: E178-P2-GB-9|LNEG