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:
Aïr Region, Agadez Department, Niger

mindat Locality ID: 23282
mindat URL: http://www.mindat.org/loc-23282.html

Tectonic Settings:

Total number of sublocalities beneath "Aïr Region, Agadez Department, Niger": 9
Total number of bottom-level sublocalities: 8

Number of Child Localities: 7
Child Localities:
Adrar Bous Alkaline Complex
Akouta Mine
Chiriet
El Mécki
Iskou Ring Complex
Madaouela Deposit
South Aïr

Latitude: 18°32'34"N
Longitude: 8°27'49"E
Decimal Degree (lat, lon): 18.542777777778,8.4636111111111

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.

Amphibole	Beryl	Cancrinite-sodalite	Clay	Columbite	Corundum	Feldspar	Fluorite	Mica	Molybdenite
None	Not in a structural group	Phenakite	Pyroxene	Quartz	Rutile	Sapphirine	Scheelite	Serpentine	Sodalite
Sphalerite	Spinel	Topaz	Zircon

Aegirine ()*	Aenigmatite ()*	Albite ()*	Anatase ()*	Annite ()*
Arfvedsonite ()*	Berthierine ()*	Bertrandite ()*	Beryl ()*	Cassiterite ()*
Coffinite ()*	Columbite-(Fe) ()*	Euxenite-(Y) ()*	Ferro-richterite ()*	Fluorite ()*
Genthelvite ()*	Hastingsite ()*	Hematite ()*	Magnetite ()*	Microcline ()*
Molybdenite ()*	Orthoclase ()*	Quartz ()*	Riebeckite ()*	Scheelite ()*
Siderophyllite ()*	Sphalerite ()*	Tetraferriannite ()*	Thorite ()*	Topaz ()*
Uraninite ()*	Willemite ()*	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 Be Ca Ce F Fe H K Mo Na Nb O P S Si Sn Ta Th Ti U W Y Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Beryl Cancrinite-sodalite Clay Columbite Corundum Feldspar Fluorite Mica Molybdenite
None Not in a structural group Phenakite Pyroxene Quartz Rutile Sapphirine Scheelite Serpentine Sodalite
Sphalerite Spinel Topaz Zircon

34 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1	88805	1022
Aenigmatite ()*	Sapphirine	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]	1	88805	133
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	88805	8803
Anatase ()*	Not in a structural group	TiO₂	1	88805	2162
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	1	88805	356
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	2	88801,88805	295
Berthierine ()*	Clay Serpentine	(Fe²⁺,Fe³⁺,Al)₃(Si,Al)₂O₅(OH)₄	1	88805	59
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	1	88805	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	2	88800,88805	4286
Cassiterite ()*	Rutile	SnO₂	2	88800,88805	5171
Coffinite ()*	Zircon	U(SiO₄)·nH₂O	1	88798	566
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	1	88805	518
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	1	88800	414
Ferro-richterite ()*	Amphibole	Na(NaCa)Fe²⁺₅Si₈O₂₂(OH)₂	1	88801	30
Fluorite ()*	Fluorite	CaF₂	1	88805	9617
Genthelvite ()*	Cancrinite-sodalite Sodalite	Be₃Zn₄(SiO₄)₃S	1	88805	60
Hastingsite ()*	Amphibole	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	1	88805	209
Hematite ()*	Corundum	Fe₂O₃	1	88805	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	88805	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	88805	4924
Molybdenite ()*	Molybdenite	MoS₂	1	88800	5800
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	88805	2349
Quartz ()*	Quartz	SiO₂	1	88805	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	2	88801,88805	375
Scheelite ()*	Scheelite	Ca(WO₄)	1	88800	4894
Siderophyllite ()*	Mica	KFe²⁺₂Al(Si₂Al₂)O₁₀(OH)₂	1	88805	92
Sphalerite ()*	Sphalerite	ZnS	1	88805	21482
Tetraferriannite ()*	Mica	KFe²⁺₃(Si₃Fe³⁺)O₁₀(OH)₂	1	88805	10
Thorite ()*	Zircon	Th(SiO₄)	1	88805	1006
Topaz ()*	Topaz	Al₂SiO₄F₂	2	88800,88805	1476
Uraninite ()*	Fluorite	UO₂	1	88798	2718
Willemite ()*	Phenakite	Zn₂SiO₄	1	88805	303
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1	88800	939
Zircon ()*	Zircon	Zr(SiO₄)	1	88805	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...