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:
Nondweni, Umzinyathi District, KwaZulu-Natal, South Africa

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

mindat Locality ID: 298197
mindat URL: http://www.mindat.org/loc-298197.html

Tectonic Settings:

Total number of sublocalities beneath "Nondweni, Umzinyathi District, KwaZulu-Natal, 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.

Aubertite	Chlorite	Clay	Feldspar	Mica	None	Quartz

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 F H K Mg Na O S Si

Elements from minerals reported directly at this locality: Al F H K Mg Na O S Si

Structural Groups for minerals in this locality:
Aubertite Chlorite Clay Feldspar Mica None Quartz

6 IMA Minerals at location:

Albite ()*	Clinochlore ()*	Microcline ()*	Muscovite ()*	Quartz ()*
Wilcoxite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	261	259	8803
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	261	259	1756
Microcline ()*	Feldspar	K(AlSi₃O₈)	261	259	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	261	259	17380
Quartz ()*	Quartz	SiO₂	261	259	61156
Wilcoxite ()*	Aubertite	MgAl(SO₄)₂F·17H₂O	261	259	11

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...