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Biotite from
Gakara Project, Bujumbura Rural Province, Burundi


Locality type:Project
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Gakara Project, Bujumbura Rural Province, Burundi
Data Identifiers
Mindat Occurrence Record ID:715128
Long-form Identifier:1:3:715128:6
GUID (UUID V4):0
Localities for Biotite in this Region
Masenga hill, Gakara Project, Bujumbura Rural Province, Burundi
Nearest other occurrences of Biotite
1.6km (1.0 miles) ⓘMasenga hill, Gakara Project, Bujumbura Rural Province, Burundi
52.7km (32.8 miles) ⓘMatongo Carbonatite, Matongo, Kayanza Province, Burundi
71.6km (44.5 miles) ⓘHaute Ruvubu Complex, Kayanza Province, Burundi
References
Thoreau, J., Aderca, B. M., & Van Wambeke, L. (1958). Le gisement de terres rares de la Karonge, Urundi. Acad. R. Sci. Outre-Mer, 4, 684-718.
Van Wambeke, L. (1977) The Karonge rare earth deposits, Republic of Burundi: New mineralogical-geochemical data and origin of the mineralization. Mineralium Deposita, 12 (3) 373-380 doi:10.1007/bf00206173
Nakai, S., Masuda, A., Lehmann, B. (1988) La-Ba dating of bastnaesite. American Mineralogist, 73 (9-10) 1111-1113
Lehmann, Bernd, Nakai, Shun'ichi, HÃķhndorf, Axel, Brinckmann, JÃķrn, Dulski, Peter, Hein, Ulrich F, Masuda, Akimasa (1994) REE mineralization at Gakara, Burundi: Evidence for anomalous upper mantle in the western Rift Valley. Geochimica et Cosmochimica Acta, 58 (2) 985-992 doi:10.1016/0016-7037(94)90520-7
Woolley, A. R. (2001) Alkaline Rocks and Carbonatites of the World, Part 3: Africa - Alkaline Rocks and Carbonatites of the World. The Geological Society of London.p.28
Berger, Vladimir I.; Singer, Donald A.; Orris, Greta J. (2009) Carbonatites of the World, Explored Deposits of Nb and REE—Database and Grade and Tonnage Models . Open-File Report 2009-1139. US Geological Survey doi:10.3133/ofr20091139
Harmer, R.E., Nex, P.A.M. (2016) Rare Earth Deposits of Africa. Episodes, 39 (2) 381-406 doi:10.18814/epiiugs/2016/v39i2/95784
Ntiharirizwa, Seconde, Boulvais, Philippe, Poujol, Marc, Branquet, Yannick, Morelli, Cesare, Ntungwanayo, JoÃŦl, Midende, Gilbert (2018) Geology and U-Th-Pb Dating of the Gakara REE Deposit, Burundi. Minerals, 8 (9) 394 doi:10.3390/min8090394
 
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