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:
Itasy, Madagascar

mindat Locality ID: 157488
mindat URL: http://www.mindat.org/loc-157488.html

Tectonic Settings:

Total number of sublocalities beneath "Itasy, Madagascar": 40
Total number of bottom-level sublocalities: 27

Number of Child Localities: 3
Child Localities:
Arivonimamo
Miarinarivo
Soavinandriana

Latitude: 19°1'30"S
Longitude: 46°49'27"E
Decimal Degree (lat, lon): -19.025,46.824166666667

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.

Aeschynite	Apatite	Aragonite	Beryl	Bismutite	Chevkinite	Clay	Clinozoisite	Columbite	Copper
Corundum	Epidote	Feldspar	Garnet	Gypsum	Mica	None	Not in a structural group	Pyrite	Pyroxene
Quartz	Rocksalt	Rutile	Scheelite	Smectite-vermiculite	Stibnite	Titanite	Topaz	Zircon

Aeschynite-(Y) ()*	Albite ()*	Anatase ()*	Anorthite ()*	Aragonite ()*
Bertrandite ()*	Beryl ()*	Bismuthinite ()*	Bismutite ()*	Chevkinite-(Ce) ()*
Churchite-(Y) ()*	Cosalite ()*	Enstatite ()*	Epidote ()*	Euclase ()*
Euxenite-(Y) ()*	Fergusonite-(Y) ()*	Fluorapatite ()*	Galena ()*	Gold ()*
Graphite ()*	Hematite ()*	Microcline ()*	Muscovite ()*	Pyrite ()*
Pyromorphite ()*	Quartz ()*	Rutile ()*	Samarskite-(Y) ()*	Spessartine ()*
Thorite ()*	Titanite ()*	Topaz ()*	Vermiculite ()*	Xenotime-(Y) ()*
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 Au Be Bi C Ca Ce Cl F Fe H K Mg Mn Na Nb O P Pb S Si Ta Th Ti U Y Zr

Elements from minerals reported directly at this locality: Al F Mg O Si

Structural Groups for minerals in this locality:
Aeschynite Apatite Aragonite Beryl Bismutite Chevkinite Clay Clinozoisite Columbite Copper
Corundum Epidote Feldspar Garnet Gypsum Mica None Not in a structural group Pyrite Pyroxene
Quartz Rocksalt Rutile Scheelite Smectite-vermiculite Stibnite Titanite Topaz Zircon

36 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aeschynite-(Y) ()*	Aeschynite	(Y,Ln,Ca,Th)(Ti,Nb)₂(O,OH)₆	3	79480,79488,79491	141
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	79491	8803
Anatase ()*	Not in a structural group	TiO₂	1	79491	2162
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	79500	1036
Aragonite ()*	Aragonite	Ca(CO₃)	1	79471	3250
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	1	79498	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	5	79472,79480,79481,79491,79498	4286
Bismuthinite ()*	Stibnite	Bi₂S₃	2	79491,79498	1935
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)	3	79480,79491,79498	716
Chevkinite-(Ce) ()*	Chevkinite	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂	1	79474	89
Churchite-(Y) ()*	Gypsum	Y(PO₄)·2H₂O	1	79493	70
Cosalite ()*	None	Pb₂Bi₂S₅	1	79484	344
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	0		944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	79486	8173
Euclase ()*	None	BeAlSiO₄(OH)	1	79489	120
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	8	79476,79479,79480,79481,79488,79499,79501,79504	414
Fergusonite-(Y) ()*	Scheelite	YNbO₄	1	79491	196
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	79496	2740
Galena ()*	Rocksalt	PbS	1	79484	24243
Gold ()*	Copper	Au	1	79484	30554
Graphite ()*	None	C	1	79473	2812
Hematite ()*	Corundum	Fe₂O₃	1	79480	14640
Microcline ()*	Feldspar	K(AlSi₃O₈)	10	79479,79480,79482,79483,79491,79498,79499,79501,79503,79504	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	79472,79498	17380
Pyrite ()*	Pyrite	FeS₂	1	79484	39462
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	1	79484	1725
Quartz ()*	Quartz	SiO₂	10	79479,79480,79482,79483,79491,79492,79493,79498,79503,79504	61156
Rutile ()*	Rutile	TiO₂	3	79480,79491,79501	5614
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	1	79493	353
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1	79498	1214
Thorite ()*	Zircon	Th(SiO₄)	9	79479,79480,79481,79482,79483,79488,79491,79493,79496	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	3	79480,79491,79496	4899
Topaz ()*	Topaz	Al₂SiO₄F₂	0		1476
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	4	79476,79491,79492,79493	652
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1	79491	939
Zircon ()*	Zircon	Zr(SiO₄)	8	79480,79482,79483,79488,79491,79493,79496,79503	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...