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Biotite from
Lueshe Mine, Bwito, Rutshuru Territory, North Kivu, DR Congo


Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Age information
Maximum recorded age:516 ± 26 Ma
Minimum recorded age:516 ± 26 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
1516 ± 26 MaCambrian Series 2 - K-Ar
Sample references:
1 -
Bellon, H., Pouclet, A. (1980) Datations K-Ar de quelques laves du Rift-ouest de l'Afrique Centrale; implications sur l'évolution magmatique et structurale. Geologische Rundschau, 69 (1) 49-62 doi:10.1007/bf01869023
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Lueshe Mine, Bwito, Rutshuru Territory, North Kivu, DR Congo
Data Identifiers
Mindat Occurrence Record ID:714970
Long-form Identifier:1:3:714970:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
20.5km (12.7 miles) ⓘKirumba Complex, Bwito, Rutshuru Territory, North Kivu, DR Congo
26.4km (16.4 miles) ⓘBishusha occurrence, Bwito, Rutshuru Territory, North Kivu, DR Congo
47.7km (29.6 miles) ⓘNyamuragira volcano, Bahunde, Masisi Territory, North Kivu, DR Congo
56.2km (34.9 miles) ⓘMount Shaheru, Nyiragongo Volcano, Nyiragongo Territory, North Kivu, DR Congo
56.9km (35.3 miles) ⓘRusongati occurrence, Bahunde, Masisi Territory, North Kivu, DR Congo
90.8km (56.4 miles) ⓘNumbi Intrusion, Numbi, Kalehe Territory, South Kivu, DR Congo
References
doi.org/10.1016/0899-5362(89)90077-8
doi.org/10.1180/minmag.1996.060.402.03
Safiannikoff, A. 1959. Un nouveau mineral de niobium. Bulletin des Seances. Academie Royale des Sciences d'Outre-Mer. Bruxelles, 5, 1251-1255.
Safiannikoff, A. 1966. Gisement de pyrochlore de Lueshe. Annales de la Societe Geologique de Belgique, 90 (4), B461-486.
Pineau, F. & Javoy, M. 1969. Determination des rapports isotopiques O/O et C/C dans diverses carbonatites, implications genetiques. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences. Paris, 269D, 1930-1933.
Meyer, A., & De Béthune, P. (1958). La carbonatite Lueshe (Kivu): étude géologique. Service Géologique, Congo Belge, 8 (5), 1-19 and 1-12.
Brasseur, H., Herman, P., & Hubaux, A. (1961). Apatites de l'est du Congo et du Ruanda. Bulletin-Société géologique de Belgique, 85(2), B61-B85.
Verhaeghe, M. (1963). Inventaire des gisements de calcaires, dolomies et travertins du Kivu, du Rwanda et du Burundi. Service géologique, Mémoire, (3).
Denayer, M. E. (1970). Rapports isotopiques O e C et condition d'affleurement dês carbonatites de 1'Affrique Central. Compt. Rend. D, 270, 2155-2158.
Bellon, H., Pouclet, A. (1980) Datations K-Ar de quelques laves du Rift-ouest de l'Afrique Centrale; implications sur l'évolution magmatique et structurale. Geologische Rundschau, 69 (1) 49-62 doi:10.1007/bf01869023
Maravic, H.v., Morteani, G. (1980) Petrology and geochemistry of the carbonatite and syenite complex of Lueshe (N.E. Zaire) Lithos, 13 (2) 159-170 doi:10.1016/0024-4937(80)90017-1
van Overbeke, A. C. (1996). Le complexe à carbonatite et syénite de la Lueshe (N-Kivu, Zaïre): pétrogenèse des roches ignées et caractérisation géochimique des processus métasomatiques (fénitisation) (Doctoral dissertation, UCL-Université Catholique de Louvain).
Kampunzu, A.B., Kramers, J.D., Makutu, M.N. (1998) Rb-Sr whole rock ages of the Lueshe, Kirumba and Numbi igneous complexes (Kivu, Democratic Republic of Congo) and the break-up of the Rodinia supercontinent. Journal of African Earth Sciences, 26 (1). 29-36 doi:10.1016/s0899-5362(97)00134-6
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
 
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