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:
Rietkuil, Beaufort West, Central Karoo District, Western Cape, South Africa

Oldest recorded age at locality: 246
Youngest recorded age at locality: 213

mindat Locality ID: 56313
mindat URL: http://www.mindat.org/loc-56313.html

Tectonic Settings:

Total number of sublocalities beneath "Rietkuil, Beaufort West, Central Karoo District, Western Cape, South Africa": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Amorphous	Arsenopyrite	Autunite	Copiapite	Digenite	Fluorite	Halotrichite	Löllingite	Meta-autunite	None

Arsenopyrite ()*	Autunite ()*	Copiapite ()*	Digenite ()*	Iriginite ()*
Jordisite ()*	Löllingite ()*	Meta-autunite ()*	Metakahlerite ()*	Metatorbernite ()*
Metazeunerite ()*	Uranophane-β ()*	Pickeringite ()*	Torbernite ()*	Uraninite ()*
Uranophane-α ()*	Uranospathite ()*	Uranospinite ()*	Zeunerite ()*

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 Ca Cu F Fe H Mg Mo O P S Si U

Elements from minerals reported directly at this locality: Al As Ca Cu F Fe H Mg Mo O P S Si U

Structural Groups for minerals in this locality:
Amorphous Arsenopyrite Autunite Copiapite Digenite Fluorite Halotrichite Löllingite Meta-autunite None

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	215	213	9052
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	215	213	1272
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	215	213	382
Digenite ()*	Digenite	Cu_1.8S	215	213	1027
Iriginite ()*	None	(UO₂)Mo⁶⁺₂O₇·3H₂O	215	213	15
Jordisite ()*	Amorphous	MoS₂	215	213	102
Löllingite ()*	Löllingite	FeAs₂	215	213	762
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	215	213	388
Metakahlerite ()*	None	Fe²⁺(UO₂)₂(AsO₄)₂·8H₂O	215	213	18
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O	215	213	443
Metazeunerite ()*	None	Cu(UO₂)₂(AsO₄)₂·8H₂O	215	213	182
Uranophane-β ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	215	213	144
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O	215	213	265
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	215	213	1059
Uraninite ()*	Fluorite	UO₂	215	213	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	215	213	890
Uranospathite ()*	None	(Al, )(UO₂)₂F(PO₄)₂·20H₂O	215	213	20
Uranospinite ()*	None	Ca(UO₂)₂(AsO₄)₂·10H₂O	215	213	51
Zeunerite ()*	Autunite	Cu(UO₂)₂(AsO₄)₂·12H₂O	215	213	185

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Giersdorf_00000797	The Rietkuil Mine is part of the Karoo Basin and the Elliot Formation of the Karoo Supergroup. The overall mineral area is referred to as the Beaufort West Uranium Deposits
Giersdorf_00000798	The Beaufort West Uranium Deposits is a series of uranium deposits found in the metamorphic belt of the Cape of Africa

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
	Giersdorf_00000798	246	217	246-217	U-Pb	Age given in support of earlier works by Gentle el al. (1978) due to its consistency in its findings					Yes				56312	Beaufort West, Central Karoo District, Western Cape, South Africa	Beaufort West	Bordy et al. (2005)	10.2113/108.3.454	SAJG107_397	Pb207-U235 age
	Giersdorf_00000797	215	213	215-213	U-Pb	Age given in support of earlier works by Gentle el al. (1978) due to its consistency in its findings									56313	Rietkuil, Beaufort West, Central Karoo District, Western Cape, South Africa	Rietkuil	Bordy et al. (2005)	10.2113/108.3.454	SAJG107_397	Pb207-U235 age

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...