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Antsohamamy labradorite quarry, Fotadrevo, Ampanihy, Atsimo-Andrefana, Madagascari
Regional Level Types
Antsohamamy labradorite quarryQuarry
FotadrevoCommune
AmpanihyDistrict
Atsimo-AndrefanaRegion
MadagascarCountry

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Name in Malagasy:Karieran' Antsohamamy, Kaominin'i Fotadrevo, Distrikan' Ampanihy, Faritr' Atsimo Andrefana, Madagasikara
Latitude & Longitude (WGS84): 23° 53' 12'' South , 45° 9' 43'' East
Latitude & Longitude (decimal): -23.88677,45.16203
GeoHash:G#: m5b05etcr
Locality type:Quarry
Köppen climate type:Aw : Tropical savanna, wet


No description has been added for this locality. Can you add one?

Regions containing this locality

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

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Anorthite
Formula: Ca(Al2Si2O8)
Reference: pers. com. K.E.Larsen april 2006
'Labradorite'
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
Reference: pers. com. K.E.Larsen april 2006

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Anorthite9.FA.35Ca(Al2Si2O8)
'Labradorite'9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]

List of minerals arranged by Dana 8th Edition classification

Unclassified Minerals, Mixtures, etc.
Anorthite-Ca(Al2Si2O8)
'Labradorite'-(Ca,Na)[Al(Al,Si)Si2O8]

List of minerals for each chemical element

OOxygen
O Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
O AnorthiteCa(Al2Si2O8)
NaSodium
Na Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
AlAluminium
Al Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Al AnorthiteCa(Al2Si2O8)
SiSilicon
Si Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Si AnorthiteCa(Al2Si2O8)
CaCalcium
Ca Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Ca AnorthiteCa(Al2Si2O8)

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: 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 Macrostrat.org, used under Creative Commons Attribution 4.0 License


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