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:
West Region, Cameroon

mindat Locality ID: 26826
mindat URL: http://www.mindat.org/loc-26826.html

Tectonic Settings:

Total number of sublocalities beneath "West Region, Cameroon": 14
Total number of bottom-level sublocalities: 8

Number of Child Localities: 2
Child Localities:
Noun Plain
Tikar Plain

Latitude: 4°5'21"N
Longitude: 10°7'29"E
Decimal Degree (lat, lon): 4.0891666666667,10.124722222222

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	Feldspar	None	Olivine	Pyroxene	Quartz	Spinel	Titanite	Tridymite	Zircon

Aegirine ()*	Anorthite ()*	Arfvedsonite ()*	Augite ()*	Diopside ()*
Fayalite ()*	Ferro-richterite ()*	Forsterite ()*	Hedenbergite ()*	Magnetite ()*
Nepheline ()*	Quartz ()*	Titanite ()*	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: Al Ca Fe H K Mg Na O Si Ti Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Feldspar None Olivine Pyroxene Quartz Spinel Titanite Tridymite Zircon

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1	29464	1022
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	29462	1036
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	1	29464	295
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	29462	2060
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	29462	4135
Fayalite ()*	Olivine	Fe²⁺₂(SiO₄)	1	29464	371
Ferro-richterite ()*	Amphibole	Na(NaCa)Fe²⁺₅Si₈O₂₂(OH)₂	1	29464	30
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	29462	1188
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	1	29464	741
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	29462	14899
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	1	29462	884
Quartz ()*	Quartz	SiO₂	1	29464	61156
Titanite ()*	Titanite	CaTi(SiO₄)O	1	29464	4899
Zircon ()*	Zircon	Zr(SiO₄)	1	29464	5251

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...