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Saronara Quarry, Ambatofinandrahana Commune, Ambatofinandrahana, Amoron'i Mania, Madagascari
Regional Level Types
Saronara QuarryQuarry
Ambatofinandrahana CommuneCommune
AmbatofinandrahanaDistrict
Amoron'i ManiaRegion
MadagascarCountry

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Name in Malagasy:Karieran'i Saronara, Kaominin' Ambatofinandrahana, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Madagasikara
Latitude & Longitude (WGS84): 20° 30' 1'' South , 46° 49' 12'' East
Latitude & Longitude (decimal): -20.50043,46.82016
GeoHash:G#: mh373kj2k
Locality type:Quarry
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Nearest Settlements:
PlacePopulationDistance
Ambatofinandrahana25,997 (2018)6.1km
Ambositra30,353 (2018)44.2km


A quarry with a 200m thick horizon with strongly deformed fine grains of lazulite-dumortierite-bearing metaquartzite. It is situated north of the town Ambatofinandrahana in the central highland of Madagascar.

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate
Fianarantsoa Province, MadagascarProvince

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
Lazulite
Formula: MgAl2(PO4)2(OH)2
Quartz
Formula: SiO2
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Lazulite8.BB.40MgAl2(PO4)2(OH)2
Group 9 - Silicates
Dumortierite9.AJ.10(Al,Fe3+)7(SiO4)3(BO3)O3
Unclassified Minerals, Rocks, etc.
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)2Zq
Lazulite41.10.1.1MgAl2(PO4)2(OH)2
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with (BO3)
Dumortierite54.1.2.1(Al,Fe3+)7(SiO4)3(BO3)O3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H LazuliteMgAl2(PO4)2(OH)2
BBoron
B Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O LazuliteMgAl2(PO4)2(OH)2
O QuartzSiO2
O Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
MgMagnesium
Mg LazuliteMgAl2(PO4)2(OH)2
AlAluminium
Al LazuliteMgAl2(PO4)2(OH)2
Al Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
SiSilicon
Si QuartzSiO2
Si Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
PPhosphorus
P LazuliteMgAl2(PO4)2(OH)2

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ackermand et al. (2006): Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18

External Links



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