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:
North Region, Cameroon

mindat Locality ID: 195993
mindat URL: http://www.mindat.org/loc-195993.html

Tectonic Settings:

Total number of sublocalities beneath "North Region, Cameroon": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 1
Child Localities:
Kokoumi (Kakoumi; Kokum)

Latitude: 9°11'0"N
Longitude: 13°9'59"E
Decimal Degree (lat, lon): 9.1833333333333,13.166388888889

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.

Amphibole	Corundum	None	Pyroxene	Sapphirine	Spinel	Titanite	Tridymite

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 Ca Fe H K Mg Na O Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Corundum None Pyroxene Sapphirine Spinel Titanite Tridymite

9 IMA Minerals at location:

Aegirine-augite ()*	Aenigmatite ()*	Arfvedsonite ()*	Diopside ()*	Ilmenite ()*
Kaersutite ()*	Magnetite ()*	Nepheline ()*	Titanite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine-augite ()*	Pyroxene	(Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆	1	29441	286
Aenigmatite ()*	Sapphirine	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]	1	29441	133
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	1	29441	295
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	29441	4135
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	29441	5433
Kaersutite ()*	Amphibole	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂	1	29441	179
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	29441	14899
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	1	29441	884
Titanite ()*	Titanite	CaTi(SiO₄)O	1	29441	4899

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...