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:
Anosy, Madagascar

Oldest recorded age at locality: 467
Youngest recorded age at locality: 455

mindat Locality ID: 5856
mindat URL: http://www.mindat.org/loc-5856.html

Tectonic Settings:

Total number of sublocalities beneath "Anosy, Madagascar": 256
Total number of bottom-level sublocalities: 203

Number of Child Localities: 3
Child Localities:
Amboasary Sud
Betroka
Taolañaro (Fort Dauphin)

Latitude: 24°14'58"S
Longitude: 46°20'25"E
Decimal Degree (lat, lon): -24.249444444444,46.340277777778

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	Amorphous	Amphibole	Analcime	Andalusite	Apatite	Arsenopyrite	Baddeleyite	Baryte	Beryl
Calcite	Chalcopyrite	Clay	Clinozoisite	Corundum	Covellite	Descloizite	Diaspore	Epidote	Feldspar
Fluorite	Garnet	Gypsum	Humite	Kornerupine	Lepidocrocite	Magnetoplumbite	Malachite	Mica	Molybdenite
Nickeline	None	Not in a structural group	Olivine	Perovskite	Prehnite	Pyrite	Pyrophyllite	Pyroxene	Quartz
Rhodizite	Rutile	Sapphirine	Scapolite	Scheelite	Smectite-vermiculite	Spinel	Talc	Titanite	Tourmaline
Wollastonite	Zircon	Zirconolite

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 Be C Ca Ce Cu F Fe H K Mg Mn Mo Na O P Pb S Si Sn Sr Th Ti V W Y Zn Zr

Elements from minerals reported directly at this locality: Al Ca Fe H Mg Na O Si

Structural Groups for minerals in this locality:
Allophane Amorphous Amphibole Analcime Andalusite Apatite Arsenopyrite Baddeleyite Baryte Beryl
Calcite Chalcopyrite Clay Clinozoisite Corundum Covellite Descloizite Diaspore Epidote Feldspar
Fluorite Garnet Gypsum Humite Kornerupine Lepidocrocite Magnetoplumbite Malachite Mica Molybdenite
Nickeline None Not in a structural group Olivine Perovskite Prehnite Pyrite Pyrophyllite Pyroxene Quartz
Rhodizite Rutile Sapphirine Scapolite Scheelite Smectite-vermiculite Spinel Talc Titanite Tourmaline
Wollastonite Zircon Zirconolite

85 IMA Minerals at location:

Albite ()*	Almandine ()*	Analcime ()*	Andalusite ()*	Andradite ()*
Anhydrite ()*	Anorthite ()*	Arsenopyrite ()*	Augite ()*	Azurite ()*
Baddeleyite ()*	Beryl ()*	Böhmite ()*	Bornite ()*	Calcite ()*
Cassiterite ()*	Celestine ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*
Cordierite ()*	Corundum ()*	Covellite ()*	Diaspore ()*	Diopside ()*
Dolomite ()*	Dravite ()*	Edenite ()*	Enstatite ()*	Epidote ()*
Ferrohögbomite-2N2S ()*	Fluorapatite ()*	Fluorite ()*	Fluoro-pargasite ()*	Fluorophlogopite ()*
Forsterite ()*	Gibbsite ()*	Grandidierite ()*	Graphite ()*	Gypsum ()*
Hedenbergite ()*	Hercynite ()*	Hibonite ()*	Humite ()*	Ilmenite ()*
Kornerupine ()*	Laumontite ()*	Magnetite ()*	Malachite ()*	Meionite ()*
Microcline ()*	Molybdenite ()*	Mottramite ()*	Muscovite ()*	Nontronite ()*
Opal ()*	Orthoclase ()*	Pargasite ()*	Perovskite ()*	Phlogopite ()*
Potassic-fluoro-pargasite ()*	Prehnite ()*	Pyrite ()*	Pyrophyllite ()*	Pyrrhotite ()*
Quartz ()*	Rhodizite ()*	Rutile ()*	Sanidine ()*	Sapphirine ()*
Scheelite ()*	Serendibite ()*	Sillimanite ()*	Sinhalite ()*	Spessartine ()*
Spinel ()*	Talc ()*	Thorianite ()*	Thorite ()*	Titanite ()*
Tremolite ()*	Werdingite ()*	Wollastonite ()*	Zircon ()*	Zirconolite ()*

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
Albite ()*	Feldspar	Na(AlSi₃O₈)	467	455	2	78764,78863	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			2	78773,78901	2353
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			1	78805	1627
Andalusite ()*	Andalusite	Al₂SiO₅			1	78901	1310
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃			1	78771	1534
Anhydrite ()*	Not in a structural group	Ca(SO₄)			3	78767,78805,78807	1588
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	467	455	13	78698,78704,78712,78713,78718,78727,78734,78753,78755,78756,78763,78776,78778	1036
Arsenopyrite ()*	Arsenopyrite	FeAsS			2	78693,78935	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	467	455	5	78680,78704,78752,78778,78922	2060
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			1	78771	5509
Baddeleyite ()*	Baddeleyite	ZrO₂			1	78713	238
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	467	455	2	78764,78863	4286
Böhmite ()*	Lepidocrocite	AlO(OH)			1	78691	195
Bornite ()*	None	Cu₅FeS₄			2	78771,78772	5516
Calcite ()*	Calcite	Ca(CO₃)	467	455	47	78680,78681,78684,78685,78689,78691,78693,78708,78709,78712,78713,78716,78720,78721,78723,78727,78731,78741,78757,78762,78767,78770,78771,78772,78773,78774,78775,78788,78805,78807,78816,78827,78829,78830,78838,78839,78863,78876,78877,78879,78881,78885,78888,78903,78910,78927,78930	27770
Cassiterite ()*	Rutile	SnO₂			1	78694	5171
Celestine ()*	Baryte	Sr(SO₄)			1	78839	1252
Chalcocite ()*	None	Cu₂S			1	78772	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			4	78771,78772,78787,78935	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			3	78763,78771,78772	3531
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈			10	78773,78824,78825,78827,78833,78836,78865,78901,78932,78935	1008
Corundum ()*	Corundum	Al₂O₃			22	78708,78712,78713,78716,78727,78734,78752,78755,78759,78762,78763,78768,78773,78776,78778,78782,78803,78824,78827,78836,78865,78872	1797
Covellite ()*	Covellite	CuS			1	78771	4165
Diaspore ()*	Diaspore	AlO(OH)			1	78713	481
Diopside ()*	Pyroxene	CaMgSi₂O₆	467	455	35	78680,78684,78687,78689,78691,78697,78708,78709,78712,78713,78723,78726,78730,78731,78744,78752,78757,78761,78762,78763,78772,78773,78775,78778,78787,78795,78802,78805,78811,78827,78838,78861,78862,78863,78867	4135
Dolomite ()*	None	CaMg(CO₃)₂			1	78727	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	78775	648
Edenite ()*	Amphibole	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂			1	78872	160
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			4	78775,78824,78827,78901	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	467	455	2	78818,78863	8173
Ferrohögbomite-2N2S ()*	None	(Fe,Mg,Zn,Al)₃(Al,Ti,Fe)₈O₁₅(OH)			1	78782	13
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			2	78713,78775	2740
Fluorite ()*	Fluorite	CaF₂			9	78693,78708,78713,78764,78767,78771,78772,78787,78805	9617
Fluoro-pargasite ()*	Amphibole	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂			1	78749	9
Fluorophlogopite ()*	Mica	KMg₃(Si₃Al)O₁₀F₂			1	78741	47
Forsterite ()*	Olivine	Mg₂(SiO₄)			1	78727	1188
Gibbsite ()*	None	Al(OH)₃			1	78918	504
Grandidierite ()*	None	MgAl₃O₂(BO₃)(SiO₄)			11	78680,78691,78699,78743,78744,78749,78773,78775,78865,78901,78935	40
Graphite ()*	None	C			1	78920	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	78805	6890
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆			1	78713	741
Hercynite ()*	Spinel	Fe²⁺Al₂O₄			3	78803,78865,78901	407
Hibonite ()*	Magnetoplumbite	CaAl₁₂O₁₉			16	78708,78712,78713,78718,78719,78730,78734,78736,78752,78753,78755,78756,78762,78768,78773,78776	80
Humite ()*	Humite	Mg₇(SiO₄)₃F₂			1	78716	80
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	467	455	7	78863,78895,78901,78912,78915,78920,78932	5433
Kornerupine ()*	Kornerupine	(Mg,Fe²⁺,Al, )₁₀(Si,Al,B)₅O₂₁(OH,F)₂	467	455	5	78778,78827,78833,78863,78865	68
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O			1	78805	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			4	78694,78764,78803,78825	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			1	78771	12537
Meionite ()*	Scapolite	Ca₄Al₆Si₆O₂₄(CO₃)			1	78762	176
Microcline ()*	Feldspar	K(AlSi₃O₈)			2	78764,78901	4924
Molybdenite ()*	Molybdenite	MoS₂			4	78787,78802,78805,78893	5800
Mottramite ()*	Descloizite	PbCu(VO₄)(OH)			1	78763	362
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	78731	17380
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	467	455	0		471
Opal ()*	Amorphous	SiO₂·nH₂O	467	455	4	78691,78777,78805,78863	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			2	78819,78915	2349
Pargasite ()*	Amphibole	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂			5	78698,78704,78752,78757,78773	313
Perovskite ()*	Perovskite	CaTiO₃			1	78693	495
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	467	455	123	78681,78684,78685,78686,78688,78689,78691,78699,78702,78708,78709,78712,78713,78714,78716,78720,78724,78725,78727,78731,78733,78738,78739,78744,78747,78748,78749,78752,78757,78758,78760,78761,78763,78766,78767,78769,78770,78772,78773,78774,78775,78780,78781,78787,78790,78792,78793,78796,78797,78798,78799,78800,78802,78805,78806,78807,78808,78809,78813,78815,78816,78817,78820,78821,78822,78823,78824,78825,78826,78827,78828,78829,78830,78833,78836,78837,78838,78839,78844,78845,78846,78847,78848,78849,78850,78851,78856,78860,78861,78862,78863,78864,78867,78874,78875,78876,78877,78878,78879,78880,78881,78882,78883,78884,78885,78886,78887,78888,78889,78897,78898,78900,78903,78909,78910,78923,78924,78925,78926,78927,78928,78930,78931	2273
Potassic-fluoro-pargasite ()*	Amphibole	KCa₂(Mg₄Al)Si₆Al₂O₂₂F₂			1	78773	1
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			3	78787,78802,78805	1898
Pyrite ()*	Pyrite	FeS₂			7	78693,78787,78805,78824,78848,78891,78893	39462
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂			1	78802	771
Pyrrhotite ()*	Nickeline	Fe₇S₈			3	78787,78805,78893	9056
Quartz ()*	Quartz	SiO₂	467	455	17	78691,78693,78696,78712,78713,78750,78764,78777,78803,78824,78834,78863,78891,78892,78901,78910,78920	61156
Rhodizite ()*	Rhodizite	KBe₄Al₄(B₁₁Be)O₂₈			1	78764	14
Rutile ()*	Rutile	TiO₂	467	455	3	78713,78836,78863	5614
Sanidine ()*	Feldspar	K(AlSi₃O₈)	467	455	4	78834,78855,78858,78863	598
Sapphirine ()*	Sapphirine	Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆]	467	455	12	78772,78775,78778,78824,78825,78827,78829,78833,78836,78853,78863,78872	129
Scheelite ()*	Scheelite	Ca(WO₄)			1	78765	4894
Serendibite ()*	Sapphirine	Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆]			1	78691	19
Sillimanite ()*	Not in a structural group	Al₂SiO₅			5	78803,78824,78827,78865,78901	1516
Sinhalite ()*	Olivine	MgAl(BO₄)			1	78691	20
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			1	78787	1214
Spinel ()*	Spinel	MgAl₂O₄	467	455	55	78680,78684,78691,78693,78699,78702,78709,78712,78713,78714,78716,78723,78727,78728,78733,78734,78744,78752,78753,78755,78756,78762,78766,78768,78769,78771,78772,78773,78774,78776,78778,78780,78781,78782,78788,78805,78811,78824,78827,78833,78836,78841,78845,78846,78848,78858,78861,78862,78863,78872,78901,78903,78910,78925,78927	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	78848	3337
Thorianite ()*	Fluorite	ThO₂			54	78680,78681,78684,78685,78688,78690,78693,78700,78702,78706,78707,78708,78709,78710,78711,78712,78714,78715,78717,78720,78721,78723,78724,78725,78726,78727,78728,78729,78731,78733,78734,78737,78739,78747,78752,78753,78754,78755,78756,78757,78758,78760,78761,78762,78763,78766,78767,78769,78770,78771,78772,78773,78778,78787	236
Thorite ()*	Zircon	Th(SiO₄)			5	78702,78750,78763,78773,78810	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	467	455	21	78697,78705,78708,78712,78713,78723,78727,78734,78736,78752,78753,78755,78763,78767,78773,78776,78785,78787,78805,78862,78863	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	467	455	0		2562
Werdingite ()*	None	Mg₂Al₁₄Si₄B₄O₃₇			1	78901	8
Wollastonite ()*	Wollastonite	CaSiO₃			7	78693,78697,78712,78713,78719,78742,78773	1247
Zircon ()*	Zircon	Zr(SiO₄)	467	455	22	78693,78708,78709,78712,78713,78726,78749,78750,78763,78764,78770,78777,78778,78786,78805,78824,78833,78859,78863,78865,78895,78932	5251
Zirconolite ()*	Zirconolite	(Ca,Y)Zr(Ti,Mg,Al)₂O₇			2	78713,78773	140

2 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
	CG169_5_001	463	459	461±2	K-Ca			sanidine				Sanidine			2273	Itrongay (Itrongahy), Mahasoa Est, Betroka, Anosy, Madagascar	Itrongay	Nägler & Villa (2000)	10.1016/S0009-2541(99)00194-1	CG169_5
	CG169_5_002	467	455	461±6	K-Ca			sanidine				Sanidine			2273	Itrongay (Itrongahy), Mahasoa Est, Betroka, Anosy, Madagascar	Itrongay	Nägler & Villa (2000)	10.1016/S0009-2541(99)00194-1	CG169_5

Sample	Source Locality	Reference URL
FKM-205	Anosy, Madagascar	https://www.rockptx.com/fkm-201-to-fkm-225/#FKM-205
FKM-108	Vohibola Phlogopite Deposit, Behara, Amboasary Sud, Anosy, Madagascar	https://www.rockptx.com/fkm-101-to-fkm-125/#FKM-108
R110065	Tranomaro, Amboasary Sud, Anosy, Madagascar	https://rruff.info/R110065
FKM-191	Andranokaolo Thorianite Deposit (Andrakaholo; Andrakakolo), Tranomaro, Amboasary Sud, Anosy, Madagascar	https://www.rockptx.com/fkm-176-to-fkm-200/#FKM-191
FKM-28	Betroka, Anosy, Madagascar	https://www.rockptx.com/fkm-26-to-fkm-50/#FKM-28
R110063	Betroka, Anosy, Madagascar	https://rruff.info/R110063
X050123	Itrongay (Itrongahy), Mahasoa Est, Betroka, Anosy, Madagascar	https://rruff.info/X050123
R050173	Taolañaro (Fort Dauphin), Anosy, Madagascar	https://rruff.info/R050173

All locality data graciously provided by mindat.org

All age data...