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Iankaroka phlogopite deposit, Ianabinda Commune, Betroka District, Anosy Region (Fort Dauphin Region), Tuléar Province (Toliara), Madagascar

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 23° South , 45° East (est.)
Margin of Error:~29km
Köppen climate type:Cfa : Humid subtropical climate
Name(s) in local language(s):Karieran' Iankaroka, Kaominin' Ianabinda, Distrikan'i Betroka, Faritra Anosy, Faritanin'i Toliary, Madagasikara


A phlogopite-bearing pyroxenite mined for phlogopite mica. Located 20 km S of the town of Betroka. The pyroxenite vein cross the RN 13 (PK 136). It is 35 m wide and can be followed for 500-600 m.
Besaire (1966) gives these map coordinates: X = 301,7 and Y = 354,5. (Map sheet Betroka et Est Benenitra).
In the old mines a sapphirine-bearing anatectic Al-Mg granulite occurs (Razakamanana et al. 2006)


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Mineral List


4 valid minerals.

Rock Types Recorded

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This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive. 34, p. 313.
Razakamanana, T., Ackermand, D. and Windley, B. F. (2006 ): Metamorphic evolution of sapphirine-bearing rocks from Vohidava area, Southern Madagascar: Structural and tectonic implication. Proceedings of the German-Malagasy Research Cooperation in Life and Earth Sciences edited by C Schwitzer, S Brandt et al. p 41-60

Mineral and/or Locality  
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