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:
Vredefort Impact Structure, Fezile Dabi District, Free State, South Africa

mindat Locality ID: 131761
mindat URL: http://www.mindat.org/loc-131761.html

Tectonic Settings:

Total number of sublocalities beneath "Vredefort Impact Structure, Fezile Dabi District, Free State, South Africa": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Otavi Quarry

Latitude: 26°52'40"S
Longitude: 27°32'19"E
Decimal Degree (lat, lon): -26.877777777778,27.538611111111

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.

Andalusite	Beryl	Clay	Corundum	Mica	None	Not in a structural group	Quartz	Rutile	Spinel
Staurolite	Zircon

Andalusite ()*	Coesite ()*	Cordierite ()*	Corundum ()*	Ilmenite ()*
Kyanite ()*	Magnetite ()*	Muscovite ()*	Quartz ()*	Rutile ()*
Sillimanite ()*	Staurolite ()*	Stishovite ()*	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 Fe H K Mg O Si Ti Zr

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

Structural Groups for minerals in this locality:
Andalusite Beryl Clay Corundum Mica None Not in a structural group Quartz Rutile Spinel
Staurolite Zircon

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Andalusite ()*	Andalusite	Al₂SiO₅	0		1310
Coesite ()*	Not in a structural group	SiO₂	0		77
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	0		1008
Corundum ()*	Corundum	Al₂O₃	0		1797
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	0		5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	0		1507
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Quartz ()*	Quartz	SiO₂	1	106065	61156
Rutile ()*	Rutile	TiO₂	0		5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅	0		1516
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	0		978
Stishovite ()*	Rutile	SiO₂	0		26
Zircon ()*	Zircon	Zr(SiO₄)	0		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...