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:
Tarraouadji Massif, South Aïr, Aïr Region, Agadez Department, Niger

mindat Locality ID: 61781
mindat URL: http://www.mindat.org/loc-61781.html

Tectonic Settings:

Total number of sublocalities beneath "Tarraouadji Massif, South Aïr, Aïr Region, Agadez Department, Niger": 0
Total number of bottom-level sublocalities: 0

Latitude: 17°12'0"N
Longitude: 8°30'0"E
Decimal Degree (lat, lon): 17.2,8.5

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	None
Not in a structural group	Phenakite	Pyroxene	Quartz	Rutile	Sapphirine	Serpentine	Sodalite	Sphalerite	Spinel
Topaz	Zircon

Aegirine ()*	Aenigmatite ()*	Albite ()*	Anatase ()*	Annite ()*
Arfvedsonite ()*	Berthierine ()*	Bertrandite ()*	Beryl ()*	Cassiterite ()*
Columbite-(Fe) ()*	Fluorite ()*	Genthelvite ()*	Hastingsite ()*	Hematite ()*
Magnetite ()*	Microcline ()*	Orthoclase ()*	Quartz ()*	Riebeckite ()*
Siderophyllite ()*	Sphalerite ()*	Tetraferriannite ()*	Thorite ()*	Topaz ()*
Willemite ()*	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 F Fe H K Na Nb O S Si Sn Th Ti Zn Zr

Elements from minerals reported directly at this locality: Al Be Ca F Fe H K Na Nb O S Si Sn Th Ti Zn Zr

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

27 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1022
Aenigmatite ()*	Sapphirine	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]	133
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Anatase ()*	Not in a structural group	TiO₂	2162
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	356
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	295
Berthierine ()*	Clay Serpentine	(Fe²⁺,Fe³⁺,Al)₃(Si,Al)₂O₅(OH)₄	59
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	4286
Cassiterite ()*	Rutile	SnO₂	5171
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	518
Fluorite ()*	Fluorite	CaF₂	9617
Genthelvite ()*	Cancrinite-sodalite Sodalite	Be₃Zn₄(SiO₄)₃S	60
Hastingsite ()*	Amphibole	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	209
Hematite ()*	Corundum	Fe₂O₃	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2349
Quartz ()*	Quartz	SiO₂	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	375
Siderophyllite ()*	Mica	KFe²⁺₂Al(Si₂Al₂)O₁₀(OH)₂	92
Sphalerite ()*	Sphalerite	ZnS	21482
Tetraferriannite ()*	Mica	KFe²⁺₃(Si₃Fe³⁺)O₁₀(OH)₂	10
Thorite ()*	Zircon	Th(SiO₄)	1006
Topaz ()*	Topaz	Al₂SiO₄F₂	1476
Willemite ()*	Phenakite	Zn₂SiO₄	303
Zircon ()*	Zircon	Zr(SiO₄)	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...