Latitude: 19°59'5"S
Longitude: 46°57'8"E
The locality often named Antsofimbato consist actually of 4 different pegmatite quarries named Antsofimbato I, II,III and IV respectively. (The Antsofimbato IV is not identical with Guigues Antsofimbato IV which = Ambatonapetraka). These are situated close to each other between the village Ambatonapetraka and Mt. Antsofimbato, in the NE part of the Sahatany pegmatite Field, S of the town Antsirabe in the main highland of Madagascar. The main quarry is located about 500 SØ of the Ambatonapetraka pegmatites.
The bityite, chrysoberyl and magnesiotaffeite has only been reported from the one of the quarries, designated P30 by Ranorosoa (1986) and Antsofimbato IV by Rasoanaivo et al. (1983). This pegmatite (Antsofimbato IV) was found and researched by "the mission géologique soviéto-malgache" (Rasoanaivo et al. 1983).
Raktoarison (1964) locality nr 2
Mineral List
26 entries listed. 20 valid minerals.
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References
- Guigues, J. (1954): Étude des gisements de pegmatites de Madagascar (première partie). Service Geologique Tananarive. Travaux du Bureau Géologique 82. 119p.
- Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
- Rakotoarison, W. (1964): Les pegmatites de la Sahatany. Archive du Service Géologique Madagascar. A.1983, pp.1-39.
- Rasoanaivo, J., Grinwald, M., Chkil, N., Khaikine, E., Rakotomavo, G. , Rakotonanahary and Boiko, T. (1983): Rapport sur les résultats des travaux de recherches réalisées dans la partie Nord du champ pegmatitique de la Sahatany. Service Géologique d'Antananarivo.
- Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de Doctorat de l`Universite Paul Sabatier, Toulouse
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