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:
Khanfous, In Ouzzal, Ahaggar Mtn (Hoggar Mtn), Tamanghasset Province, Algeria

Oldest recorded age at locality: 2014
Youngest recorded age at locality: 1974

mindat Locality ID: 54764
mindat URL: http://www.mindat.org/loc-54764.html

Tectonic Settings:

Total number of sublocalities beneath "Khanfous, In Ouzzal, Ahaggar Mtn (Hoggar Mtn), Tamanghasset Province, Algeria": 0
Total number of bottom-level sublocalities: 0

Latitude: 23°25'0"N
Longitude: 2°50'0"E
Decimal Degree (lat, lon): 23.416666666667,2.8333333333333

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.

Beryl	Clay	Feldspar	Mica	None	Not in a structural group	Quartz	Rutile	Sapphirine	Spinel

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 Fe H K Mg Na O Si Ti

Elements from minerals reported directly at this locality: Al Fe H K Mg Na O Si Ti

Structural Groups for minerals in this locality:
Beryl Clay Feldspar Mica None Not in a structural group Quartz Rutile Sapphirine Spinel

9 IMA Minerals at location:

Albite ()*	Cordierite ()*	Hercynite ()*	Orthoclase ()*	Phlogopite ()*
Quartz ()*	Rutile ()*	Sapphirine ()*	Sillimanite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	2014	1974	8803
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	2014	1974	1008
Hercynite ()*	Spinel	Fe²⁺Al₂O₄	2014	1974	407
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2014	1974	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2014	1974	2273
Quartz ()*	Quartz	SiO₂	2014	1974	61156
Rutile ()*	Rutile	TiO₂	2014	1974	5614
Sapphirine ()*	Sapphirine	Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆]	2014	1974	129
Sillimanite ()*	Not in a structural group	Al₂SiO₅	2014	1974	1516

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0001074	MAGMATIC STYLE: Small, lensoid intrusions. ASSOCIATED SILICATE ROCKS: Syenites (fenite?).

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
	Jen_0001074	2014	1974	1994±20	U-Pb			zircon			Yes	Zircon			259611	In Ouzzal, Ahaggar Mtn (Hoggar Mtn), Tamanghasset Province, Algeria	In'Ouzzal	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

All locality data graciously provided by mindat.org

All age data...