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:
Nasarawa Eggon, Nasarawa, Nigeria


mindat Locality ID: 2446
mindat URL: http://www.mindat.org/loc-2446.html

Tectonic Settings:

Total number of sublocalities beneath "Nasarawa Eggon, Nasarawa, Nigeria": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Liberia Pegmatite

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 B Be Ca F Fe H K Li Na O P Si 

Elements from minerals reported directly at this locality: Al B Be F Fe H Li Na O P Si 

Structural Groups for minerals in this locality: 
ApatiteBerylChloriteClayFeldsparMicaNoneQuartzSpinelTopaz
Tourmaline

11 IMA Minerals at location:
Albite  (*)Amblygonite  (*)Beryl  (*)Cookeite  (*)Fluorapatite  (*)
Magnetite  (*)Microcline  (*)Muscovite  (*)Quartz  (*)Schorl  (*)
Topaz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)1889478803
Amblygonite  (*)NoneLiAl(PO4)F0244
Beryl  (*)BerylBe3Al2Si6O1804286
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)80181
Fluorapatite  (*)ApatiteCa5(PO4)3F1889472740
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Microcline  (*)FeldsparK(AlSi3O8)1889474924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)218894717380
Quartz  (*)QuartzSiO218894761156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)02705
Topaz  (*)TopazAl2SiO4F201476



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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