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:
Bull's Run Estate, Umhlatuzi, Uthungulu District, KwaZulu-Natal, South Africa

Oldest recorded age at locality: 1175
Youngest recorded age at locality: 259

mindat Locality ID: 57405
mindat URL: http://www.mindat.org/loc-57405.html

Tectonic Settings:

Total number of sublocalities beneath "Bull's Run Estate, Umhlatuzi, Uthungulu 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.

None	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: O Si Zr

Elements from minerals reported directly at this locality: O Si Zr

Structural Groups for minerals in this locality:
None Zircon

1 IMA Minerals at location:

Zircon ()*

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
Zircon ()*	Zircon	Zr(SiO₄)	1175	1105	0		5251

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
Jen_0000998	MAGMATIC STYLE: Carbonate-rich gneiss bands, up to 200x20 m, are considered to be tectonically deformed carbonatites. ASSOCIATED SILICATE ROCKS: Syenitic gneiss, nepheline syenite gneiss and gneissose peralkaline microsyenite dykes.
Jen_0000999	MAGMATIC STYLE: Carbonate-rich gneiss bands, up to 200x20 m, are considered to be tectonically deformed carbonatites. ASSOCIATED SILICATE ROCKS: Syenitic gneiss, nepheline syenite gneiss and gneissose peralkaline microsyenite dykes.
Jen_0001000	MAGMATIC STYLE: Carbonate-rich gneiss bands, up to 200x20 m, are considered to be tectonically deformed carbonatites. ASSOCIATED SILICATE ROCKS: Syenitic gneiss, nepheline syenite gneiss and gneissose peralkaline microsyenite dykes.

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Age from other Locality	Dated Mineral	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
Jen_0000998	900	900	900						57405	Bull's Run Estate, Umhlatuzi, Uthungulu District, KwaZulu-Natal, South Africa	Bull's Run	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000999	1175	1105	1140±35	U-Th-Pb		zircon		Zircon	57405	Bull's Run Estate, Umhlatuzi, Uthungulu District, KwaZulu-Natal, South Africa	Bull's Run	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0001000	1140	1060	1100±40	K-Ar		biotite			57405	Bull's Run Estate, Umhlatuzi, Uthungulu District, KwaZulu-Natal, South Africa	Bull's Run	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...