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Sarodivotra, Anjanabonoina pegmatites, Ambohimanambola Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar

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Latitude & Longitude (WGS84): 19° 55' 12'' South , 46° 32' 2'' East
Latitude & Longitude (decimal): -19.92010,46.53415
GeoHash:G#: mh3ndvtjh
Locality type:Pegmatite
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters


Discovered when the outcrop was exposed by a torrential rain in March 1995. A significant vein of pegmatite in a locality called Sarodivotra by local miners. One of the Anjanabonoina pegmatite bodies. A pegmatite with an NYF geochemical signature (De Vito et al., 2006).


Mineral List


12 valid minerals.

Rock Types Recorded

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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

Ectasian - Calymmian
1200 - 1600 Ma



ID: 3184647
Mesoproterozoic crystalline metamorphic rocks

Age: Mesoproterozoic (1200 - 1600 Ma)

Lithology: Crystalline metamorphic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Rhyacian
2050 - 2300 Ma



ID: 3310225

Age: Rhyacian (2050 - 2300 Ma)

Lithology: Plutonic and metamorphic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

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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De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006) Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44, 87-103.

Mineral and/or Locality  
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