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Berere Pegmatite Field, Tsaratanàna District, Betsiboka Region, Mahajanga Province (Majunga), Madagascar

Photo: C. Gineste
Pegmatitan' i Berere, Distrikan' i Tsaratanána, Faritra Betsiboka, Faritanin' i Mahajanga, Madagasikara

The pegmatites which is situated west of the small town Tsaratanana are in general embedded in migmatites and pyroxene-amphibolites. Exploitation started here in the early 1950s. From 1951-1954 beryl was exploited. From 1959 columbite-tantalite was mined here. In july 1960 55 tons of Columbite was extracted from this area (Besaire 1966)

Mineral List

Mineral list contains entries from the region specified including sub-localities
Albite
'Albite-Anorthite Series'
Anatase
'Befanamite'
Beryl
'Biotite'
Bismutite
'Columbite'
'Columbite-Tantalite'
Euxenite-(Y)
'Fergusonite'
'Garnet'
'Halloysite'
'Hydroxy-petscheckite'
Ilmenite
Kaolinite
Liandratite (TL)
'Monazite'
Muscovite
'Oxy-petscheckite'
'Perthite'
Petscheckite (TL)
'Pyrochlore Supergroup'
'var: Betafite (of Hogarth 1977)'
Quartz
var: Rose Quartz
Rutile
var: Ilmenorutile
var: Strüverite
Samarskite-(Y)
Spessartine
'Tantalite'
Thorite
'Tourmaline'
Vermiculite
Xenotime-(Y)
Zircon
var: Malacon


39 entries listed. 18 valid minerals. 2 type localities (valid minerals).

Localities in this Region

Madagascar
Madagascar

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References

- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

- Besaire, H. (1966): Gites mineraux de Madagascar. Annales Geologique de Madagascar, Tananarive, Fascicule XXXIV, 134-135

- Giraud, P. (1957): Le Champ pegmatique de Berere a Madagascar. in Commision de Coopération Technique en Afrique au Sud du Sahara (C.C.T.A.). Geologie. Comités regionaux Centre, Est et Sud. Conférence de Tananarive Avril 1957. I ,125-133

- Pezzotta, F. (1999): Madagaskar. Das Paradies der Mineralien und Edelsteine. ExtraLapis nr 17, p.42-43 (german version)

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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