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:
Sahanivotry Manandona, Antsirabe II, Vakinankaratra, Madagascar

mindat Locality ID: 2248
mindat URL: http://www.mindat.org/loc-2248.html

Tectonic Settings:

Total number of sublocalities beneath "Sahanivotry Manandona, Antsirabe II, Vakinankaratra, Madagascar": 13
Total number of bottom-level sublocalities: 12

Number of Child Localities: 12
Child Localities:
Ambatomanoana
Ambero
Ialamitana Pegmatites
Laimbolo
Mananjara
Marobiby
NW Of Tsilaizina Mt.
Sahanivotry Market
Tomboarivo Pegmatite
Tsilaizina Pegmatite
Vidro
Vohitrafenana

Latitude: 20°4'28"S
Longitude: 47°8'26"E
Decimal Degree (lat, lon): -20.074444444444,47.140555555556

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	Amphibole	Arsenic	Baryte	Beryl	Bismutite	Clay	Columbite	Corundum	Diaspore
Feldspar	Garnet	Mica	Monazite	None	Not in a structural group	Pyrite	Quartz	Rutile	Smectite-vermiculite
Spinel	Titanite	Tourmaline	Zircon

Aeschynite-(Y) ()*	Albite ()*	Almandine ()*	Anatase ()*	Anthophyllite ()*
Baryte ()*	Beryl ()*	Bismuth ()*	Bismutite ()*	Columbite-(Mn) ()*
Cordierite ()*	Dravite ()*	Elbaite ()*	Goethite ()*	Hematite ()*
Magnetite ()*	Microcline ()*	Monazite-(Ce) ()*	Muscovite ()*	Pyrite ()*
Quartz ()*	Rutile ()*	Schorl ()*	Spessartine ()*	Thorite ()*
Titanite ()*	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 B Ba Be Bi C Ca Ce Fe H K Li Mg Mn Na Nb O P S Si Th Ti Y Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aeschynite Amphibole Arsenic Baryte Beryl Bismutite Clay Columbite Corundum Diaspore
Feldspar Garnet Mica Monazite None Not in a structural group Pyrite Quartz Rutile Smectite-vermiculite
Spinel Titanite Tourmaline Zircon

29 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	1	79743	141
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	79744	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	79737	2353
Anatase ()*	Not in a structural group	TiO₂	2	79743,79744	2162
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	1	79741	718
Baryte ()*	Baryte	Ba(SO₄)	1	79744	11547
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	4	79735,79736,79743,79744	4286
Bismuth ()*	Arsenic	Bi	1	79744	1966
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)	1	79743	716
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	1	79744	289
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	2	79734,79741	1008
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	79744	648
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	79744	520
Goethite ()*	Diaspore	FeO(OH)	1	79744	7437
Hematite ()*	Corundum	Fe₂O₃	3	79736,79743,79744	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	79743,79744	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	3	79743,79744,79746	4924
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	1	79744	945
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	79744	17380
Pyrite ()*	Pyrite	FeS₂	1	79740	39462
Quartz ()*	Quartz	SiO₂	7	79735,79736,79738,79743,79744,79745,79746	61156
Rutile ()*	Rutile	TiO₂	3	79736,79743,79744	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	3	79736,79737,79744	2705
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1	79744	1214
Thorite ()*	Zircon	Th(SiO₄)	1	79743	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	2	79739,79743	4899
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	2	79743,79746	652
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1	79744	939
Zircon ()*	Zircon	Zr(SiO₄)	2	79743,79744	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R110072	Sahanivotry Market, Sahanivotry Manandona, Antsirabe II, Vakinankaratra, Madagascar	https://rruff.info/R110072

All locality data graciously provided by mindat.org

All age data...