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:
Miriam Mine (Norah Mine), Mhangura, Makonde District (Lomagundi District), Mashonaland West, Zimbabwe

Oldest recorded age at locality: 2136
Youngest recorded age at locality: 1250

mindat Locality ID: 16404
mindat URL: http://www.mindat.org/loc-16404.html

Tectonic Settings:

Total number of sublocalities beneath "Miriam Mine (Norah Mine), Mhangura, Makonde District (Lomagundi District), Mashonaland West, Zimbabwe": 0
Total number of bottom-level sublocalities: 0

Latitude: 16°55'38"S
Longitude: 30°9'0"E
Decimal Degree (lat, lon): -16.927222222222,30.15

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	Copper	Corundum	None	Not in a structural group	Pyrite	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: Au C Ca Cu Fe O S Si

Elements from minerals reported directly at this locality: Au C Ca Cu Fe O S Si

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Copper Corundum None Not in a structural group Pyrite Quartz

9 IMA Minerals at location:

Anhydrite ()*	Bornite ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*
Gold ()*	Hematite ()*	Pyrite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	2136	1250	1588
Bornite ()*	None	Cu₅FeS₄	1250	1250	5516
Calcite ()*	Calcite	Ca(CO₃)	2136	1250	27770
Chalcocite ()*	None	Cu₂S	1250	1250	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1250	1250	27198
Gold ()*	Copper	Au	2136	1250	30554
Hematite ()*	Corundum	Fe₂O₃	2136	1250	14640
Pyrite ()*	Pyrite	FeS₂	2136	1250	39462
Quartz ()*	Quartz	SiO₂	2136	1250	61156

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
JAG45_11_0001	2136	2108	2122 ± 14	U-Pb	host rock	zircon	Zircon		16404	Miriam Mine (Norah Mine), Mhangura, Makonde District (Lomagundi District), Mashonaland West, Zimbabwe	Magondi supergroup, Zimbabwe	Hohndorf (1999)	JAG45_11
PHD_UW_91_0001	2100	2100	2100	Pb-Pb	mineralization	galena	Galena		16404	Miriam Mine (Norah Mine), Mhangura, Makonde District (Lomagundi District), Mashonaland West, Zimbabwe	Miriam Mine	Master (1991)	PHD_UW_91
sedcu-00781	1250	1250	Mid Proterozoic					Cu	16404	Miriam Mine (Norah Mine), Mhangura, Makonde District (Lomagundi District), Mashonaland West, Zimbabwe	Norah	Cox et al. (2003)	USGSOFR03_107

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...