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:
Gour Oumelalen, Ahaggar Mtn (Hoggar Mtn), Tamanghasset Province, Algeria

Oldest recorded age at locality: 1907
Youngest recorded age at locality: 1901

mindat Locality ID: 66720
mindat URL: http://www.mindat.org/loc-66720.html

Tectonic Settings:

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

Latitude: 25°4'15"N
Longitude: 7°8'52"E
Decimal Degree (lat, lon): 25.070833333333,7.1477777777778

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	Garnet	None	Olivine	Pyroxene	Quartz	Rutile	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 Ca Fe H Na O Si Ti

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

Structural Groups for minerals in this locality:
Amphibole Garnet None Olivine Pyroxene Quartz Rutile Spinel

8 IMA Minerals at location:

Almandine ()*	Fayalite ()*	Ferrosilite ()*	Hastingsite ()*	Hedenbergite ()*
Magnetite ()*	Quartz ()*	Rutile ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1907	1901	2353
Fayalite ()*	Olivine	Fe²⁺₂(SiO₄)	1907	1901	371
Ferrosilite ()*	Pyroxene	Fe²⁺₂Si₂O₆	1907	1901	84
Hastingsite ()*	Amphibole	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	1907	1901	209
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	1907	1901	741
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1907	1901	14899
Quartz ()*	Quartz	SiO₂	1907	1901	61156
Rutile ()*	Rutile	TiO₂	1907	1901	5614

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
	Bradley_2012_085	1907	1901	1904±3	U/Pb			zircon				Zircon			66720	Gour Oumelalen, Ahaggar Mtn (Hoggar Mtn), Tamanghasset Province, Algeria	—	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...