Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Ampanihy, Atsimo-Andrefana, Madagascar

mindat Locality ID: 134292
mindat URL: http://www.mindat.org/loc-134292.html

Tectonic Settings:

Total number of sublocalities beneath "Ampanihy, Atsimo-Andrefana, Madagascar": 46
Total number of bottom-level sublocalities: 33

Number of Child Localities: 12
Child Localities:
Amborompotsy
Ampanihy Ouest
Ampanihy Rhodonite Deposits
Androka
Ankilimivory
Antaly
Ejeda
Fotadrevo
Gogogogo
Maniry
Vohibevola
Vohitany

Latitude: 24°29'20"S
Longitude: 44°47'42"E
Decimal Degree (lat, lon): -24.488888888889,44.795

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Amphibole	Apatite	Berdesinskiite	Beryl	Calcite	Chabazite	Chlorite	Clay	Corundum	Feldspar
Garnet	Gypsum	Kaolinite	Marcasite	Mica	Molybdenite	Nickeline	None	Not in a structural group	Olivine
Pyrite	Pyroxene	Quartz	Rhodonite	Rocksalt	Rutile	Schreyerite	Serpentine	Smectite-vermiculite	Spinel
Talc	Titanite	Tourmaline	Turquoise	Wavellite

Actinolite ()*	Alabandite ()*	Albite ()*	Almandine ()*	Alunite ()*
Anorthite ()*	Augite ()*	Beryl ()*	Calcite ()*	Chabazite-Ca ()*
Chrysoberyl ()*	Chrysotile ()*	Clinochlore ()*	Corundum ()*	Diopside ()*
Dravite ()*	Enstatite ()*	Fluorapatite ()*	Goldmanite ()*	Graphite ()*
Grossular ()*	Gypsum ()*	Hematite ()*	Ilmenite ()*	Kaolinite ()*
Karelianite ()*	Laumontite ()*	Magnetite ()*	Marcasite ()*	Molybdenite ()*
Montmorillonite ()*	Muscovite ()*	Oxyvanite ()*	Phlogopite ()*	Pyrite ()*
Pyrolusite ()*	Pyrope ()*	Pyrrhotite ()*	Quartz ()*	Rhodonite ()*
Rutile ()*	Schreyerite ()*	Siderite ()*	Sillimanite ()*	Spessartine ()*
Spinel ()*	Talc ()*	Titanite ()*	Tremolite ()*	Turquoise ()*
Vermiculite ()*	Wavellite ()*

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al B Be C Ca Cu F Fe H K Mg Mn Mo Na O P S Si Ti V

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Apatite Berdesinskiite Beryl Calcite Chabazite Chlorite Clay Corundum Feldspar
Garnet Gypsum Kaolinite Marcasite Mica Molybdenite Nickeline None Not in a structural group Olivine
Pyrite Pyroxene Quartz Rhodonite Rocksalt Rutile Schreyerite Serpentine Smectite-vermiculite Spinel
Talc Titanite Tourmaline Turquoise Wavellite

52 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	1	78972	3419
Alabandite ()*	Rocksalt	MnS	2	78972,78974	312
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	78968	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	78947	2353
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	1	78950	966
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	6	78962,78968,78969,78970,78972,78984	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2	78968,78972	2060
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	3	78957,78960,78966	4286
Calcite ()*	Calcite	Ca(CO₃)	1	78972	27770
Chabazite-Ca ()*	Chabazite	Ca₂[Al₄Si₈O₂₄]·13H₂O	1	78972	310
Chrysoberyl ()*	Olivine	BeAl₂O₄	1	78963	321
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	4	78964,78965,78977,78986	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	78972	1756
Corundum ()*	Corundum	Al₂O₃	7	78961,78962,78967,78976,78979,78988,78989	1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	2	78972,78989	4135
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	78972	648
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1	78968	944
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	78947	2740
Goldmanite ()*	Garnet	Ca₃V³⁺₂(SiO₄)₃	1	78972	31
Graphite ()*	None	C	8	78946,78954,78955,78956,78972,78974,78975,78985	2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	7	78953,78954,78955,78956,78959,78979,78980	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	78972	6890
Hematite ()*	Corundum	Fe₂O₃	2	78972,78984	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	78968	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	78972	5591
Karelianite ()*	Corundum	V₂O₃	2	78972,78974	17
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	78972	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	78968	14899
Marcasite ()*	Marcasite	FeS₂	1	78972	5674
Molybdenite ()*	Molybdenite	MoS₂	1	78972	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	78972	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	3	78955,78963,78972	17380
Oxyvanite ()*	Berdesinskiite	V³⁺₂V⁴⁺O₅	1	78974	4
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	3	78972,78974,78989	2273
Pyrite ()*	Pyrite	FeS₂	3	78958,78972,78974	39462
Pyrolusite ()*	Rutile	MnO₂	1	78948	3106
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	2	78946,78972	341
Pyrrhotite ()*	Nickeline	Fe₇S₈	2	78972,78974	9056
Quartz ()*	Quartz	SiO₂	4	78955,78956,78966,78972	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	2	78948,78982	969
Rutile ()*	Rutile	TiO₂	2	78972,78974	5614
Schreyerite ()*	Schreyerite	V³⁺₂Ti⁴⁺₃O₉	1	78974	10
Siderite ()*	Calcite	Fe(CO₃)	1	78972	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	78972	1516
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	2	78948,78982	1214
Spinel ()*	Spinel	MgAl₂O₄	2	78972,78989	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	78972	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	1	78972	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	2	78962,78972	2562
Turquoise ()*	Turquoise	CuAl₆(PO₄)₄(OH)₈·4H₂O	1	78958	484
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	1	78972	652
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O	1	78958	374

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
FKM-230	Ampanihy Rhodonite Deposits, Ampanihy, Atsimo-Andrefana, Madagascar	https://www.rockptx.com/fkm-226-to-fkm-250/#FKM-230
FKM-24	Ejeda-Fotadrevo Corundum Deposits, Ejeda, Ampanihy, Atsimo-Andrefana, Madagascar	https://www.rockptx.com/fkm-1-to-fkm-25/#FKM-24

All locality data graciously provided by mindat.org

All age data...