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:
Sahatany Pegmatite Field (Mt Ibity Area), Madagascar

Oldest recorded age at locality: 500
Youngest recorded age at locality: 500

mindat Locality ID: 57020
mindat URL: http://www.mindat.org/loc-57020.html

Tectonic Settings:

Total number of sublocalities beneath "Sahatany Pegmatite Field (Mt Ibity Area), Madagascar": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Allanite	Amphibole	Beryl	Clay	Clinozoisite	Columbite	Corundum	Diaspore	Dumortierite	Epidote
Feldspar	Garnet	Kaolinite	Mica	Monazite	None	Olivine	Pyrite	Pyroxene	Quartz
Rutile	Smectite-vermiculite	Spinel	Talc	Titanite	Topaz	Tourmaline	Zircon

Albite ()*	Allanite-(Ce) ()*	Beryl ()*	Bityite ()*	Cassiterite ()*
Chrysoberyl ()*	Columbite-(Fe) ()*	Diopside ()*	Dravite ()*	Dumortierite ()*
Edenite ()*	Elbaite ()*	Epidote ()*	Goethite ()*	Hematite ()*
Hübnerite ()*	Kaolinite ()*	Magnesiotaaffeite-2N'2S ()*	Magnetite ()*	Microcline ()*
Monazite-(Ce) ()*	Muscovite ()*	Pyrite ()*	Quartz ()*	Rutile ()*
Schorl ()*	Spessartine ()*	Spinel ()*	Talc ()*	Titanite ()*
Topaz ()*	Tremolite ()*	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 Be Ca Ce F Fe H K Li Mg Mn Na Nb O P S Si Sn Ti W Y Zr

Elements from minerals reported directly at this locality: Al B Be Ca Ce F Fe H K Li Mg Mn Na Nb O P S Si Sn Ti W Y Zr

Structural Groups for minerals in this locality:
Allanite Amphibole Beryl Clay Clinozoisite Columbite Corundum Diaspore Dumortierite Epidote
Feldspar Garnet Kaolinite Mica Monazite None Olivine Pyrite Pyroxene Quartz
Rutile Smectite-vermiculite Spinel Talc Titanite Topaz Tourmaline Zircon

35 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	500	500	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	500	500	706
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	500	500	4286
Bityite ()*	Mica Clay	CaLiAl₂(Si₂BeAl)O₁₀(OH)₂	500	500	31
Cassiterite ()*	Rutile	SnO₂	500	500	5171
Chrysoberyl ()*	Olivine	BeAl₂O₄	500	500	321
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	500	500	518
Diopside ()*	Pyroxene	CaMgSi₂O₆	500	500	4135
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	500	500	648
Dumortierite ()*	Dumortierite	AlAl₆BSi₃O₁₈	500	500	231
Edenite ()*	Amphibole	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂	500	500	160
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	500	500	520
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	500	500	8173
Goethite ()*	Diaspore	FeO(OH)	500	500	7437
Hematite ()*	Corundum	Fe₂O₃	500	500	14640
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	500	500	469
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	500	500	5591
Magnesiotaaffeite-2N'2S ()*	None	Mg₃BeAl₈O₁₆	500	500	18
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	500	500	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	500	500	4924
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	500	500	945
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	500	500	17380
Pyrite ()*	Pyrite	FeS₂	500	500	39462
Quartz ()*	Quartz	SiO₂	500	500	61156
Rutile ()*	Rutile	TiO₂	500	500	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	500	500	2705
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	500	500	1214
Spinel ()*	Spinel	MgAl₂O₄	500	500	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	500	500	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	500	500	4899
Topaz ()*	Topaz	Al₂SiO₄F₂	500	500	1476
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	500	500	2562
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	500	500	652
Xenotime-(Y) ()*	Zircon	Y(PO₄)	500	500	939
Zircon ()*	Zircon	Zr(SiO₄)	500	500	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
	Be-00012	500	500	500			high				Yes		Londonite	Be	2260	Antandrokomby Pegmatite, Manandona Valley, Sahatsiho Ambohimanjaka, Ambositra, Amoron'i Mania, Madagascar		Fernandez et al. (2003)	10.1016/S0301-9268(03)00063-9	PR123_87

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...