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:
Westville, eThekwini District, KwaZulu-Natal, South Africa

Oldest recorded age at locality: 261
Youngest recorded age at locality: 259

mindat Locality ID: 247174
mindat URL: http://www.mindat.org/loc-247174.html

Tectonic Settings:

Total number of sublocalities beneath "Westville, eThekwini District, KwaZulu-Natal, South Africa": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
S. A. Crushers Quarry

Latitude: 29°49'53"S
Longitude: 30°55'48"E
Decimal Degree (lat, lon): -29.831388888889,30.93

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	Baryte	Calcite	Clay	Copiapite	Coquimbite	Fluorite	Gypsum	Halotrichite	Hexahydrite
Kaolinite	Kieserite	Melanterite	None	Pyrite	Quartz	Starkeyite

Baryte ()*	Calcite ()*	Coquimbite ()*	Ferricopiapite ()*	Ferrohexahydrite ()*
Fluorite ()*	Gypsum ()*	Halotrichite ()*	Jarosite ()*	Kaolinite ()*
Melanterite ()*	Pyrite ()*	Quartz ()*	Rozenite ()*	Siderite ()*
Szomolnokite ()*

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 Ba C Ca F Fe H K O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Baryte Calcite Clay Copiapite Coquimbite Fluorite Gypsum Halotrichite Hexahydrite
Kaolinite Kieserite Melanterite None Pyrite Quartz Starkeyite

16 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
Baryte ()*	Baryte	Ba(SO₄)	261	259	1	106276	11547
Calcite ()*	Calcite	Ca(CO₃)	261	259	1	106276	27770
Coquimbite ()*	Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂·6H₂O	261	259	1	106276	136
Ferricopiapite ()*	Copiapite	Fe³⁺_0.67Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	261	259	1	106276	41
Ferrohexahydrite ()*	Hexahydrite	Fe²⁺(SO₄)·6H₂O	261	259	1	106276	21
Fluorite ()*	Fluorite	CaF₂	261	259	1	106276	9617
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	261	259	1	106276	6890
Halotrichite ()*	Halotrichite	Fe²⁺Al₂(SO₄)₄·22H₂O	261	259	1	106276	409
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	261	259	1	106276	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	261	259	1	106276	5591
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	261	259	1	106276	915
Pyrite ()*	Pyrite	FeS₂	261	259	1	106276	39462
Quartz ()*	Quartz	SiO₂	261	259	1	106276	61156
Rozenite ()*	Starkeyite	Fe²⁺(SO₄)·4H₂O	261	259	1	106276	293
Siderite ()*	Calcite	Fe(CO₃)	261	259	1	106276	6417
Szomolnokite ()*	Kieserite	Fe(SO₄)·H₂O	261	259	1	106276	139

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Giersdorf_00000802	The Eshowe Formation is part of the sediments of the KwaZulu-Natal area of South Africa

1 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_00000802	261	259	260±1		Age given in support of earlier works by Gentle el al. (1978) due to its consistency in its findings					Yes				57245	Eshowe, Uthungulu District, KwaZulu-Natal, South Africa	Eshowe	Bordy et al. (2005)	10.2113/108.3.454	SAJG107_397	Age of the clays of the Eshowe group

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...