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Ampasibitika, Ampasindava Peninsula, Ambanja District, Diana Region (Northern Region), Antsiranana Province, Madagascar

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Latitude & Longitude (WGS84): 13° 47' 24'' South , 48° 12' 32'' East
Latitude & Longitude (decimal): -13.79000,48.20889
Köppen climate type:Am : Tropical monsoon climate
Name(s) in local language(s):Ampasibitika, Saikanosin' Ampasindava, Distrikan' i Ambanja, Faritra Diana, Faritanin' i Antsiranana, Madagasikara


Most of the minerals listed are found in dikes of rare-metal taxitic or foliated aegirine-riebeckite granites, a rock A. Lacroix (1922) named "fasibitikite". The locality is situated at the southeastern coast of the Ampasindava peninsula in the northwestern part of Madagascar.


Mineral List


55 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Jurassic
145 - 201.3 Ma



ID: 1377996
Jurassic sedimentary rocks

Age: Jurassic (145 - 201.3 Ma)

Lithology: Sedimentary rocks

Reference: Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d. [18]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



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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Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. p 589-90
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Ganzeev, A.A. and Grechishchev, O.K. (2003): A new genetic type of rare-metal alkali granites of Madagascar. Russian Geology and Geophysics Vol. 44, No. 6, pp. 539-553.
Estrade, G., et al.: REE and HFSE mineralization in peralkaline granites of the Ambohimirahavavy alkaline complex, Ampasindava peninsula, Madagascar. J. Afr. Earth Sci. (2013), (article in press)
ESTRADE, G. (2014): Le complexe cénozoïque alcalin d’Ambohimirahavavy à Madagascar: origine, évolution et minéralisations en métaux rares.- thèse de doctorat; Université de Toulouse, 256 pages + annexes.

Mineral and/or Locality  
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