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:
Bari Region, Somalia

Oldest recorded age at locality: 487
Youngest recorded age at locality: 439

mindat Locality ID: 126625
mindat URL: http://www.mindat.org/loc-126625.html

Tectonic Settings:

Total number of sublocalities beneath "Bari Region, Somalia": 2
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Majiyahan-Dhalan Area

Latitude: 11°3'36"N
Longitude: 49°1'48"E
Decimal Degree (lat, lon): 11.06,49.03

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 H K Li Na O Si Sn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ClayFeldsparMicaNonePyroxeneQuartzRutile

6 IMA Minerals at location:
Albite  (*)Cassiterite  (*)Microcline  (*)Muscovite  (*)Quartz  (*)
Spodumene  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)48743911059778803
Cassiterite  (*)RutileSnO248743911059775171
Microcline  (*)FeldsparK(AlSi3O8)48743911059774924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2487439110597717380
Quartz  (*)QuartzSiO2487439110597761156
Spodumene  (*)PyroxeneLiAlSi2O64874391105977688



1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Bradley_2012_107487439463±24Rb/Sr muscovite   Muscovite  39054Majayahan Ta-Sn Deposit (Majiyahan), Majiyahan-Dhalan Area, Bari Region, SomaliaMajahayanMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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