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:
Dar Es Salaam Region, Tanzania


mindat Locality ID: 126549
mindat URL: http://www.mindat.org/loc-126549.html

Tectonic Settings:

Total number of sublocalities beneath "Dar Es Salaam Region, Tanzania": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Dar Es Salaam
Pugu Hills
Uluguru Mts (Uruguru Mts)

Latitude: 6°50'14"S
Longitude: 39°9'53"E
Decimal Degree (lat, lon): -6.8372222222222,39.164722222222

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 Be C Ca Cl Fe H K Mg Na O Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneBerylClayDiasporeKaoliniteMicaNonePalygorskiteQuartzRocksalt
Smectite-vermiculite

12 IMA Minerals at location:
Beryl  (*)Dolomite  (*)Gibbsite  (*)Goethite  (*)Halite  (*)
Imogolite  (*)Kaolinite  (*)Montmorillonite  (*)Muscovite  (*)Palygorskite  (*)
Quartz  (*)Vermiculite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Beryl  (*)BerylBe3Al2Si6O1811156594286
Dolomite  (*)NoneCaMg(CO3)211156619895
Gibbsite  (*)NoneAl(OH)31115661504
Goethite  (*)DiasporeFeO(OH)11156617437
Halite  (*)RocksaltNaCl11156611398
Imogolite  (*)AllophaneAl2SiO3(OH)411156617
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)411156615591
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O11156611508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2111566117380
Palygorskite  (*)Palygorskite Clay(Mg,Al)2Si4O10(OH)·4H2O1115661306
Quartz  (*)QuartzSiO2111566161156
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O1115661652



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...