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Beahibazaha phlogopite deposit, Ankaramena, Taolañaro (Fort Dauphin), Anosy, Madagascari
Regional Level Types
Beahibazaha phlogopite depositDeposit
Taolañaro (Fort Dauphin)District

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Name in Malagasy:Karieran'i Beahibazaha (Marofotsy), Kaominin'Ankaramena, Distrikan'i Taolañaro, Faritr' Anosy, Madagasikara
Latitude & Longitude (WGS84): 25° 2' 49'' South , 46° 43' 0'' East
Latitude & Longitude (decimal): -25.04712,46.71670
GeoHash:G#: m591x061c
Locality type:Deposit
Köppen climate type:Af : Tropical rainforest climate
Nearest Settlements:
Tôlanaro45,141 (2018)26.9km
Amboasary36,082 (2018)33.6km
Other/historical names associated with this locality:Concession P.E.87 SMGI; Marofotsy

An abandoned, small mica prospect along RN 13, about 3km E of the center of Ranopiso.
Concession P.E.87 SMGI (Sociète Minière de la Grande Ile) (Besaire 1966).
Besaire (1966) gives these map coordinates: X =119 Y= 126,8 (Map Sheet Behara).

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate
Tuléar Province (Toliara), MadagascarProvince

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

3 valid minerals.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Reference: Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p. 333
Formula: CaCO3
Reference: Knut Edvard Larsen collection (Micro-978)
'Clinopyroxene Subgroup'
Reference: Knut Edvard Larsen collection (Micro # 1232)
Formula: KMg3(AlSi3O10)(OH)2
Reference: Knut Edvard Larsen collection (Micro-978); Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p. 333
Formula: MgAl2O4
Reference: Knut Edvard Larsen collection (Micro-978); Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p. 333
'Stilbite subgroup'
Reference: Knut Edvard Larsen collection # MM-1322

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Group 5 - Nitrates and Carbonates
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.
'Clinopyroxene Subgroup'-
'Stilbite subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Unclassified Minerals, Mixtures, etc.
'Clinopyroxene Subgroup'-
'Stilbite subgroup'-

List of minerals for each chemical element

H PhlogopiteKMg3(AlSi3O10)(OH)2
C CalciteCaCO3
O SpinelMgAl2O4
O CalciteCaCO3
O PhlogopiteKMg3(AlSi3O10)(OH)2
Mg SpinelMgAl2O4
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Al SpinelMgAl2O4
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
Ca CalciteCaCO3

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

1600 - 2500 Ma

ID: 3191055
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 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]

2050 - 2300 Ma

ID: 3306489

Age: Rhyacian (2050 - 2300 Ma)

Lithology: 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, used under Creative Commons Attribution 4.0 License


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p. 333

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