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:
Tambao Mine, Centre-Nord Region, Burkina Faso

Oldest recorded age at locality: 50.2
Youngest recorded age at locality: 49

mindat Locality ID: 39830
mindat URL: http://www.mindat.org/loc-39830.html

Tectonic Settings:

Total number of sublocalities beneath "Tambao Mine, Centre-Nord Region, Burkina Faso": 0
Total number of bottom-level sublocalities: 0

Latitude: 14°47'21"N
Longitude: 0°3'47"E
Decimal Degree (lat, lon): 14.789166666667,0.063055555555556

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	Coronadite	Diaspore	Garnet	None	Ramsdellite	Rhodonite	Rutile	Spinel

Cryptomelane ()*	Goethite ()*	Hausmannite ()*	Hollandite ()*	Kutnohorite ()*
Lithiophorite ()*	Manganite ()*	Nsutite ()*	Pyrolusite ()*	Ramsdellite ()*
Rhodochrosite ()*	Rhodonite ()*	Spessartine ()*	Todorokite ()*

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 Fe H K Li Mg Mn Na O Si Sr

Elements from minerals reported directly at this locality: Al Ba C Ca Fe H K Li Mg Mn Na O Si Sr

Structural Groups for minerals in this locality:
Calcite Coronadite Diaspore Garnet None Ramsdellite Rhodonite Rutile Spinel

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	50.2	49	599
Goethite ()*	Diaspore	FeO(OH)	50.2	49	7437
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	50.2	49	350
Hollandite ()*	Coronadite	Ba(Mn⁴⁺₆Mn³⁺₂)O₁₆	50.2	49	243
Kutnohorite ()*	None	CaMn²⁺(CO₃)₂	50.2	49	234
Lithiophorite ()*	None	(Al,Li)(Mn⁴⁺,Mn³⁺)O₂(OH)₂	50.2	49	210
Manganite ()*	Rutile	Mn³⁺O(OH)	50.2	49	770
Nsutite ()*	Ramsdellite	Mn²⁺_xMn⁴⁺_1-xO_2-2x(OH)_2x	50.2	49	121
Pyrolusite ()*	Rutile	MnO₂	50.2	49	3106
Ramsdellite ()*	Ramsdellite	MnO₂	50.2	49	88
Rhodochrosite ()*	Calcite	Mn(CO₃)	50.2	49	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	50.2	49	969
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	50.2	49	1214
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	50.2	49	433

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
	Scott-GCA62_2739-0001	50.2	49	49.6±0.6	40Ar-39Ar	age of mineralization		cryptomelane				Cryptomelane		Mn	39830	Tambao Mine, Centre-Nord Region, Burkina Faso	Tambao	Hénocque et al. (1998)	10.1016/S0016-7037(98)00185-9	GCA62_2739

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...