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:
Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, Namibia

Oldest recorded age at locality: 521
Youngest recorded age at locality: 514

mindat Locality ID: 29138
mindat URL: http://www.mindat.org/loc-29138.html

Tectonic Settings:

Total number of sublocalities beneath "Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, Namibia": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Hellen Claim (Parzelle Hellen)
Ogonja Mine (Onganja Mine; Emke Mine; Emka; Otjisongati)

Latitude: 22°5'57"S
Longitude: 17°27'29"E
Decimal Degree (lat, lon): -22.099166666667,17.458055555556

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.

Allophane	Apatite	Brochantite	Calcite	Chalcopyrite	Copper	Corundum	Diaspore	Feldspar	Malachite
Molybdenite	None	Not in a structural group	Pyrite	Quartz	Rutile	Spinel

Albite ()*	Azurite ()*	Brochantite ()*	Calcite ()*	Chalcocite ()*
Chalcopyrite ()*	Chrysocolla ()*	Copper ()*	Cuprite ()*	Fluorapatite ()*
Goethite ()*	Gold ()*	Hematite ()*	Magnetite ()*	Malachite ()*
Molybdenite ()*	Pyrite ()*	Quartz ()*	Rutile ()*	Siderite ()*
Silver ()*	Smithsonite ()*

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: Ag Al Au C Ca Cu F Fe H Mo Na O P S Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Apatite Brochantite Calcite Chalcopyrite Copper Corundum Diaspore Feldspar Malachite
Molybdenite None Not in a structural group Pyrite Quartz Rutile Spinel

22 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
Albite ()*	Feldspar	Na(AlSi₃O₈)	521	514	1	86815	8803
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	521	514	1	86815	5509
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	521	514	1	86815	1633
Calcite ()*	Calcite	Ca(CO₃)	521	514	1	86815	27770
Chalcocite ()*	None	Cu₂S	521	514	1	86815	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	521	514	1	86815	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	521	514	1	86815	3531
Copper ()*	Copper	Cu	521	514	1	86815	3846
Cuprite ()*	Not in a structural group	Cu₂O	521	514	1	86815	2970
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	521	514	1	86815	2740
Goethite ()*	Diaspore	FeO(OH)	521	514	1	86815	7437
Gold ()*	Copper	Au	521	514	1	86815	30554
Hematite ()*	Corundum	Fe₂O₃	521	514	1	86815	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	521	514	1	86815	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	521	514	1	86815	12537
Molybdenite ()*	Molybdenite	MoS₂	521	514	2	86814,86815	5800
Pyrite ()*	Pyrite	FeS₂	521	514	1	86815	39462
Quartz ()*	Quartz	SiO₂	521	514	1	86815	61156
Rutile ()*	Rutile	TiO₂	521	514	1	86815	5614
Siderite ()*	Calcite	Fe(CO₃)	521	514	1	86815	6417
Silver ()*	Copper	Ag	521	514	1	86815	5186
Smithsonite ()*	Calcite	Zn(CO₃)	521	514	1	86815	2473

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Mo-00085	521	515	518±3	Re-Os	molybdenite	TT-615	Molybdenite	Mo	2423	Ogonja Mine (Onganja Mine; Emke Mine; Emka; Otjisongati), Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, Namibia	Onganja	Moore (2010)	10.2113/gssajg.113.4.445	SAJG113_445
Mo-00086	520	514	517±3	Re-Os	molybdenite	TT-623	Molybdenite	Mo	2423	Ogonja Mine (Onganja Mine; Emke Mine; Emka; Otjisongati), Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, Namibia	Onganja	Moore (2010)	10.2113/gssajg.113.4.445	SAJG113_445
Mo-00087	521	515	518±3	Re-Os	molybdenite	TT-624	Molybdenite	Mo	2423	Ogonja Mine (Onganja Mine; Emke Mine; Emka; Otjisongati), Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, Namibia	Onganja	Moore (2010)	10.2113/gssajg.113.4.445	SAJG113_445

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...