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:
Atsimo-Andrefana, Madagascar

Oldest recorded age at locality: 617
Youngest recorded age at locality: 607

mindat Locality ID: 58632
mindat URL: http://www.mindat.org/loc-58632.html

Tectonic Settings:

Total number of sublocalities beneath "Atsimo-Andrefana, Madagascar": 103
Total number of bottom-level sublocalities: 71

Number of Child Localities: 7
Child Localities:
Ampanihy
Anabohitsy
Benenitra
Beroroha
Betioky
Mahafaly Plateau
Sakaraha

Latitude: 23°38'21"S
Longitude: 44°47'27"E
Decimal Degree (lat, lon): -23.639166666667,44.790833333333

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.

Allophane	Alunite	Amorphous	Amphibole	Apatite	Arsenopyrite	Baryte	Berdesinskiite	Beryl	Braunite
Calcite	Chabazite	Chalcanthite	Chalcopyrite	Chlorite	Clay	Copper	Corundum	Covellite	Feldspar
Fluorite	Garnet	Gypsum	Kaolinite	Kornerupine	Malachite	Marcasite	Mica	Molybdenite	Nickeline
None	Not in a structural group	Olivine	Palygorskite	Pharmacosiderite	Phenakite	Pyrite	Pyroxene	Quartz	Rhodonite
Rocksalt	Rutile	Sapphirine	Schreyerite	Serpentine	Smectite-vermiculite	Sphalerite	Spinel	Talc	Titanite
Tourmaline	Turquoise	Wavellite	Zircon

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 As B Ba Be C Ca Cu F Fe H K Mg Mn Mo Na O P S Si Sn Ti V Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Alunite Amorphous Amphibole Apatite Arsenopyrite Baryte Berdesinskiite Beryl Braunite
Calcite Chabazite Chalcanthite Chalcopyrite Chlorite Clay Copper Corundum Covellite Feldspar
Fluorite Garnet Gypsum Kaolinite Kornerupine Malachite Marcasite Mica Molybdenite Nickeline
None Not in a structural group Olivine Palygorskite Pharmacosiderite Phenakite Pyrite Pyroxene Quartz Rhodonite
Rocksalt Rutile Sapphirine Schreyerite Serpentine Smectite-vermiculite Sphalerite Spinel Talc Titanite
Tourmaline Turquoise Wavellite Zircon

89 IMA Minerals at location:

Actinolite ()*	Alabandite ()*	Albite ()*	Almandine ()*	Alunite ()*
Anorthite ()*	Arsenopyrite ()*	Augite ()*	Aurichalcite ()*	Azurite ()*
Baryte ()*	Beryl ()*	Bornite ()*	Braunite ()*	Calcite ()*
Cassiterite ()*	Chabazite-Ca ()*	Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*
Chrysoberyl ()*	Chrysocolla ()*	Chrysotile ()*	Clinochlore ()*	Clintonite ()*
Copper ()*	Corundum ()*	Covellite ()*	Cuprite ()*	Diopside ()*
Dolomite ()*	Dravite ()*	Enstatite ()*	Fluorapatite ()*	Fluorite ()*
Goldmanite ()*	Graphite ()*	Grossular ()*	Gypsum ()*	Hematite ()*
Hydrozincite ()*	Ilmenite ()*	Jarosite ()*	Kaolinite ()*	Karelianite ()*
Kornerupine ()*	Laumontite ()*	Magnesio-hornblende ()*	Magnesite ()*	Magnetite ()*
Malachite ()*	Marcasite ()*	Molybdenite ()*	Montmorillonite ()*	Muscovite ()*
Nahcolite ()*	Opal ()*	Oxyvanite ()*	Palygorskite ()*	Pharmacosiderite ()*
Phenakite ()*	Phlogopite ()*	Pseudomalachite ()*	Pyrite ()*	Pyrolusite ()*
Pyrope ()*	Pyrrhotite ()*	Quartz ()*	Rhodonite ()*	Rosasite ()*
Roscoelite ()*	Rutile ()*	Schorl ()*	Schreyerite ()*	Scorodite ()*
Serendibite ()*	Siderite ()*	Sillimanite ()*	Spessartine ()*	Sphalerite ()*
Spinel ()*	Talc ()*	Tephroite ()*	Titanite ()*	Tremolite ()*
Turquoise ()*	Vermiculite ()*	Wavellite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# 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			2	78972,79022	3419
Alabandite ()*	Rocksalt	MnS			2	78972,78974	312
Albite ()*	Feldspar	Na(AlSi₃O₈)			2	78968,78990	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			1	78947	2353
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆			1	78950	966
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)			7	78962,78968,78969,78970,78972,78984,78994	1036
Arsenopyrite ()*	Arsenopyrite	FeAsS	617	607	1	79016	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆			2	78968,78972	2060
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆			1	79002	919
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	617	607	7	78995,78997,79002,79003,79014,79015,79016	5509
Baryte ()*	Baryte	Ba(SO₄)			1	78999	11547
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			5	78957,78960,78966,78999,79011	4286
Bornite ()*	None	Cu₅FeS₄	617	607	1	79015	5516
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)			1	79030	483
Calcite ()*	Calcite	Ca(CO₃)			3	78943,78972,79022	27770
Cassiterite ()*	Rutile	SnO₂			1	79031	5171
Chabazite-Ca ()*	Chabazite	Ca₂[Al₄Si₈O₂₄]·13H₂O			1	78972	310
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	617	607	3	79002,79015,79016	925
Chalcocite ()*	None	Cu₂S	617	607	5	78995,78997,79003,79014,79015	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	617	607	5	78995,78997,79002,79015,79022	27198
Chrysoberyl ()*	Olivine	BeAl₂O₄			1	78963	321
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	617	607	2	79002,79016	3531
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			10	78964,78965,78977,78986,78998,78999,79000,79025,79026,79030	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			1	78972	1756
Clintonite ()*	Mica Clay	CaAlMg₂(SiAl₃O₁₀)(OH)₂			1	78999	86
Copper ()*	Copper	Cu	617	607	1	79016	3846
Corundum ()*	Corundum	Al₂O₃			11	78943,78961,78962,78967,78976,78979,78988,78989,79004,79011,79020	1797
Covellite ()*	Covellite	CuS	617	607	1	79015	4165
Cuprite ()*	Not in a structural group	Cu₂O	617	607	2	79002,79016	2970
Diopside ()*	Pyroxene	CaMgSi₂O₆			3	78972,78989,79007	4135
Dolomite ()*	None	CaMg(CO₃)₂			1	78999	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			3	78972,78999,79022	648
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			1	78968	944
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			1	78947	2740
Fluorite ()*	Fluorite	CaF₂			3	79000,79006,79030	9617
Goldmanite ()*	Garnet	Ca₃V³⁺₂(SiO₄)₃			2	78972,79022	31
Graphite ()*	None	C			9	78946,78954,78955,78956,78972,78974,78975,78985,79022	2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃			7	78953,78954,78955,78956,78959,78979,78980	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			2	78972,79034	6890
Hematite ()*	Corundum	Fe₂O₃			3	78972,78984,79022	14640
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆			1	79002	1066
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	78968	5433
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆			2	79002,79034	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	78972	5591
Karelianite ()*	Corundum	V₂O₃			3	78972,78974,79022	17
Kornerupine ()*	Kornerupine	(Mg,Fe²⁺,Al, )₁₀(Si,Al,B)₅O₂₁(OH,F)₂			1	79035	68
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O			1	78972	1271
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂			1	78999	238
Magnesite ()*	Calcite	Mg(CO₃)			2	79000,79030	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	78968	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	617	607	5	78995,78997,79002,79015,79016	12537
Marcasite ()*	Marcasite	FeS₂			1	78972	5674
Molybdenite ()*	Molybdenite	MoS₂			2	78972,79002	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			5	78955,78963,78972,79017,79022	17380
Nahcolite ()*	None	NaH(CO₃)			1	78999	78
Opal ()*	Amorphous	SiO₂·nH₂O			1	79026	2994
Oxyvanite ()*	Berdesinskiite	V³⁺₂V⁴⁺O₅			2	78974,79022	4
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O			1	79017	306
Pharmacosiderite ()*	Pharmacosiderite	KFe³⁺₄(AsO₄)₃(OH)₄·6-7H₂O	617	607	1	79016	428
Phenakite ()*	Phenakite	Be₂(SiO₄)			1	78999	326
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			7	78972,78974,78989,78999,79022,79026,79035	2273
Pseudomalachite ()*	None	Cu₅(PO₄)₂(OH)₄	617	607	1	79016	369
Pyrite ()*	Pyrite	FeS₂			7	78958,78972,78974,78999,79002,79022,79032	39462
Pyrolusite ()*	Rutile	MnO₂			2	78948,79030	3106
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃			2	78946,78972	341
Pyrrhotite ()*	Nickeline	Fe₇S₈			4	78972,78974,79002,79022	9056
Quartz ()*	Quartz	SiO₂	617	607	10	78943,78955,78956,78966,78972,78999,79006,79008,79016,79030	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			4	78948,78982,79024,79030	969
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂			1	79002	454
Roscoelite ()*	Mica	KV³⁺₂(Si₃Al)O₁₀(OH)₂			1	79022	253
Rutile ()*	Rutile	TiO₂			4	78972,78974,78999,79022	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	78999	2705
Schreyerite ()*	Schreyerite	V³⁺₂Ti⁴⁺₃O₉			2	78974,79022	10
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O	617	607	1	79016	1153
Serendibite ()*	Sapphirine	Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆]			1	78999	19
Siderite ()*	Calcite	Fe(CO₃)			1	78972	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅			2	78972,79022	1516
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			4	78948,78982,79024,79030	1214
Sphalerite ()*	Sphalerite	ZnS			1	79002	21482
Spinel ()*	Spinel	MgAl₂O₄			3	78972,78989,78990	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			2	78972,78999	3337
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)			1	79024	240
Titanite ()*	Titanite	CaTi(SiO₄)O	617	607	5	78972,79015,79022,79026,79035	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			3	78962,78972,78999	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
Zircon ()*	Zircon	Zr(SiO₄)			1	78999	5251

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Jen_0001539	617	607	612 ± 5	U-Pb	age of formation of protolith ruby		zircon				Zircon			191264	Vohibory Cu Field, Belamoty, Betioky, Atsimo-Andrefana, Madagascar	Vohibory Deposit	Giuliani et al. (2007)		GOGD37_23

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...