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:
Garn Alfaya (Jebel Garn Halfaya; Djebel Garn Halfaya; Djebel Gueurn Halfaya; Jabal Qarn 'alfåyah; Djebel Gulurn Halfaya), Tajerouine, Kef, Tunisia

mindat Locality ID: 274848
mindat URL: http://www.mindat.org/loc-274848.html

Tectonic Settings:

Total number of sublocalities beneath "Garn Alfaya (Jebel Garn Halfaya; Djebel Garn Halfaya; Djebel Gueurn Halfaya; Jabal Qarn 'alfåyah; Djebel Gulurn Halfaya), Tajerouine, Kef, Tunisia": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Garn Alfaya Mine

Latitude: 36°0'0"N
Longitude: 8°31'59"E
Decimal Degree (lat, lon): 36,8.5330555555556

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.

Alunite	Calcite	Clay	Corundum	Gypsum	Kaolinite	Lepidocrocite	None	Not in a structural group	Quartz
Rocksalt	Sphalerite

Anhydrite ()*	Calcite ()*	Dolomite ()*	Galena ()*	Gypsum ()*
Hematite ()*	Kaolinite ()*	Lepidocrocite ()*	Magnesite ()*	Nahcolite ()*
Plumbogummite ()*	Quartz ()*	Sphalerite ()*

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 C Ca Fe H Mg Na O P Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Calcite Clay Corundum Gypsum Kaolinite Lepidocrocite None Not in a structural group Quartz
Rocksalt Sphalerite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	116229	1588
Calcite ()*	Calcite	Ca(CO₃)	1	116229	27770
Dolomite ()*	None	CaMg(CO₃)₂	1	116229	9895
Galena ()*	Rocksalt	PbS	1	116229	24243
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	116229	6890
Hematite ()*	Corundum	Fe₂O₃	1	116229	14640
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	116229	5591
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)	1	116229	581
Magnesite ()*	Calcite	Mg(CO₃)	1	116229	1487
Nahcolite ()*	None	NaH(CO₃)	1	116229	78
Plumbogummite ()*	Alunite	PbAl₃(PO₄)(PO₃OH)(OH)₆	1	116229	170
Quartz ()*	Quartz	SiO₂	1	116229	61156
Sphalerite ()*	Sphalerite	ZnS	1	116229	21482

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...