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:
Griqualand, Northern Cape, South Africa

Oldest recorded age at locality: 2100
Youngest recorded age at locality: 1998

mindat Locality ID: 23238
mindat URL: http://www.mindat.org/loc-23238.html

Tectonic Settings:

Total number of sublocalities beneath "Griqualand, Northern Cape, South Africa": 5
Total number of bottom-level sublocalities: 4

Number of Child Localities: 2
Child Localities:
Griquatown
Insizwa Range

Latitude: 30°42'59"S
Longitude: 29°18'0"E
Decimal Degree (lat, lon): -30.716388888889,29.3

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.

Calcite	Chalcopyrite	Clinozoisite	Corundum	Covellite	Diaspore	Epidote	Feldspar	Malachite	Millerite
Nickeline	None	Pentlandite	Pyrite	Quartz	Rocksalt	Sphalerite	Spinel

Albite ()*	Ankerite ()*	Calcite ()*	Chalcopyrite ()*	Chromite ()*
Covellite ()*	Dolomite ()*	Epidote ()*	Galena ()*	Goethite ()*
Ilmenite ()*	Mackinawite ()*	Malachite ()*	Millerite ()*	Nickeline ()*
Pentlandite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Smithsonite ()*
Sphalerite ()*	Violarite ()*

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 C Ca Cr Cu Fe H Mg Na Ni O Pb S Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clinozoisite Corundum Covellite Diaspore Epidote Feldspar Malachite Millerite
Nickeline None Pentlandite Pyrite Quartz Rocksalt Sphalerite Spinel

22 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)			1	107016	8803
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	2100	1998	1	107017	3092
Calcite ()*	Calcite	Ca(CO₃)	2100	1998	2	107016,107017	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2100	1998	3	107016,107017,107018	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			1	107018	3902
Covellite ()*	Covellite	CuS	2100	1998	2	107016,107017	4165
Dolomite ()*	None	CaMg(CO₃)₂	2100	1998	1	107017	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	107016	8173
Galena ()*	Rocksalt	PbS	2100	1998	2	107016,107017	24243
Goethite ()*	Diaspore	FeO(OH)			1	107016	7437
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	107018	5433
Mackinawite ()*	None	(Fe,Ni)_1+xS (x = 0-0.07)			1	107018	451
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			1	107016	12537
Millerite ()*	Millerite	NiS			1	107016	1066
Nickeline ()*	Nickeline	NiAs			1	107018	633
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			2	107016,107018	1512
Pyrite ()*	Pyrite	FeS₂	2100	1998	3	107016,107017,107018	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			2	107016,107018	9056
Quartz ()*	Quartz	SiO₂	2100	1998	3	107015,107016,107017	61156
Smithsonite ()*	Calcite	Zn(CO₃)	2100	1998	1	107017	2473
Sphalerite ()*	Sphalerite	ZnS	2100	1998	1	107017	21482
Violarite ()*	Spinel	FeNi₂S₄			1	107016	380

2 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
	sedexmvt-00207	2100	1998	2038±40, 2059±41 Ma (K-Ar on illite)	K-Ar										122847	Bushy Park Pb-Zn Deposit, Griquatown, Griqualand, Northern Cape, South Africa	Bushy Park	Taylor et al. (2009)		USGSOFR2009_1297
	sedznpb-00401	2059.041	2037.96	2038±0.04 – 2059±0.041											122847	Bushy Park Pb-Zn Deposit, Griquatown, Griqualand, Northern Cape, South Africa	Bushy Park	Singer et al. (2009)		USGSOFR2009-1252

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...