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:
Skikda Province, Algeria

mindat Locality ID: 131092
mindat URL: http://www.mindat.org/loc-131092.html

Tectonic Settings:

Total number of sublocalities beneath "Skikda Province, Algeria": 5
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Azzaba Area
Collo

Latitude: 36°47'22"N
Longitude: 6°45'31"E
Decimal Degree (lat, lon): 36.789444444444,6.7586111111111

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	Baryte	Beryl	Braunite	Calcite	Corundum	Epidote	Feldspar	Fluorite	Garnet
Nickeline	None	Not in a structural group	Pyroxene	Quartz	Rhodonite	Rutile	Spinel	Titanite	Wollastonite

Albite ()*	Almandine ()*	Anorthite ()*	Baryte ()*	Braunite ()*
Bustamite ()*	Calcite ()*	Cordierite ()*	Enstatite ()*	Fluorite ()*
Hausmannite ()*	Hercynite ()*	Ilmenite ()*	Katophorite ()*	Microcline ()*
Orthoclase ()*	Piemontite ()*	Pyrolusite ()*	Pyrrhotite ()*	Quartz ()*
Rhodonite ()*	Sillimanite ()*	Spessartine ()*	Tilasite ()*

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 As Ba C Ca F Fe H K Mg Mn Na O S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Baryte Beryl Braunite Calcite Corundum Epidote Feldspar Fluorite Garnet
Nickeline None Not in a structural group Pyroxene Quartz Rhodonite Rutile Spinel Titanite Wollastonite

24 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	2	1457,1460	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	1460	2353
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	1460	1036
Baryte ()*	Baryte	Ba(SO₄)	1	1457	11547
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)	1	1457	483
Bustamite ()*	Wollastonite	Mn₂Ca₂MnCa(Si₃O₉)₂	1	1457	101
Calcite ()*	Calcite	Ca(CO₃)	1	1457	27770
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	1	1460	1008
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1	1460	944
Fluorite ()*	Fluorite	CaF₂	1	1457	9617
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	1	1457	350
Hercynite ()*	Spinel	Fe²⁺Al₂O₄	1	1460	407
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	1460	5433
Katophorite ()*	Amphibole	Na(NaCa)(Mg₄Al)(Si₇Al)O₂₂(OH)₂	1	1457	46
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	1457	4924
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	1460	2349
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	1	1457	260
Pyrolusite ()*	Rutile	MnO₂	1	1457	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	1460	9056
Quartz ()*	Quartz	SiO₂	2	1457,1460	61156
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	1	1457	969
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	1460	1516
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1	1457	1214
Tilasite ()*	Titanite	CaMg(AsO₄)F	1	1457	34

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...