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:
Simanjiro District, Manyara Region, Tanzania

Oldest recorded age at locality: 600
Youngest recorded age at locality: 600

mindat Locality ID: 253099
mindat URL: http://www.mindat.org/loc-253099.html

Tectonic Settings:

Total number of sublocalities beneath "Simanjiro District, Manyara Region, Tanzania": 16
Total number of bottom-level sublocalities: 12

Number of Child Localities: 6
Child Localities:
Landanai (Landenai)
Lelatema Mts
Lemshuku Tsavorite Mining District
Mwajanga
Nadonjukin
Namalulu Tsavorite Deposit

Latitude: 4°5'38"S
Longitude: 36°57'36"E
Decimal Degree (lat, lon): -4.0938888888889,36.96

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 As B C Ca Ce Cu F Fe Ge H K Li Mg Mn Mo Na Ni O P Pb S Sb Se Si Sn Ti V Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllaniteAmorphousAmphiboleApatiteAxiniteCalciteChalcopyriteChloriteClayClinozoisite
CorundumCylindriteEpidoteFluoriteGarnetGermaniteGravegliaiteGypsumHeulanditeMica
MilleriteMolybdeniteNatroliteNickelineNoneNot in a structural groupPectolitePrehnitePyritePyroxene
QuartzRocksaltRutileSphaleriteStanniteTitaniteTourmalineWurtziteZircon

52 IMA Minerals at location:
Alabandite  (*)Allanite-(Ce)  (*)Anhydrite  (*)Axinite-(Mg)  (*)Axinite-(Mn)  (*)
Calcite  (*)Chalcopyrite  (*)Clausthalite  (*)Clinochlore  (*)Colusite  (*)
Diopside  (*)Dravite  (*)Fluorapatite  (*)Fluorite  (*)Galena  (*)
Germanocolusite  (*)Graphite  (*)Gravegliaite  (*)Grossular  (*)Gypsum  (*)
Hematite  (*)Heulandite-Ca  (*)Karelianite  (*)Kyanite  (*)Laumontite  (*)
Merelaniite  (*)Mesolite  (*)Millerite  (*)Molybdenite  (*)Mukhinite  (*)
Muscovite  (*)Natrolite  (*)Opal  (*)Pectolite  (*)Phlogopite  (*)
Prehnite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Rhodochrosite  (*)
Rutile  (*)Scolecite  (*)Siderite  (*)Sillimanite  (*)Sphalerite  (*)
Stannite  (*)Tainiolite  (*)Titanite  (*)Tremolite  (*)Wurtzite  (*)
Zircon  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alabandite  (*)RocksaltMnS6006002115725,115738312
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)6006001115730706
Anhydrite  (*)Not in a structural groupCa(SO4)11157381588
Axinite-(Mg)  (*)AxiniteCa4Mg2Al4[B2Si8O30](OH)26006002115725,11573012
Axinite-(Mn)  (*)AxiniteCa4Mn2+2Al4[B2Si8O30](OH)2600600111573088
Calcite  (*)CalciteCa(CO3)6006004115725,115730,115735,11573827770
Chalcopyrite  (*)ChalcopyriteCuFeS2600600111572527198
Clausthalite  (*)RocksaltPbSe6006001115725281
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)860060011157251756
Colusite  (*)Sphalerite GermaniteCu13VAs3S166006001115725110
Diopside  (*)PyroxeneCaMgSi2O66006004115725,115730,115733,1157384135
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)6006004115723,115725,115735,115737648
Fluorapatite  (*)ApatiteCa5(PO4)3F6006002115725,1157302740
Fluorite  (*)FluoriteCaF260060011157309617
Galena  (*)RocksaltPbS111573824243
Germanocolusite  (*)Germanite SphaleriteCu13VGe3S1660060011157255
Graphite  (*)NoneC6006009115725,115726,115727,115729,115730,115732,115733,115734,1157382812
Gravegliaite  (*)GravegliaiteMn2+(S4+O3)·3H2O60060011157253
Grossular  (*)GarnetCa3Al2(SiO4)36006004115725,115730,115734,1157381544
Gypsum  (*)GypsumCa(SO4)·2H2O6006002115725,1157386890
Hematite  (*)CorundumFe2O3600600111572514640
Heulandite-Ca  (*)Heulandite(Ca,Na,K)5(Si27Al9)O72·26H2O6006001115725246
Karelianite  (*)CorundumV2O36006002115725,11573817
Kyanite  (*)Not in a structural groupAl2OSiO46006004115725,115730,115734,1157381507
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O60060011157251271
Merelaniite  (*)CylindritePb4Mo4VSbS1560060011157251
Mesolite  (*)NatroliteNa2Ca2(Si9Al6)O30·8H2O6006001115725425
Millerite  (*)MilleriteNiS60060011157251066
Molybdenite  (*)MolybdeniteMoS26006002115725,1157305800
Mukhinite  (*)Clinozoisite EpidoteCa2(Al2V3+)[Si2O7][SiO4]O(OH)60060011157255
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)26006002115725,11573817380
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O11157351236
Opal  (*)AmorphousSiO2·nH2O11157352994
Pectolite  (*)PectoliteNaCa2Si3O8(OH)6006001115725363
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)26006002115725,1157382273
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)26006003115725,115730,1157321898
Pyrite  (*)PyriteFeS26006004115725,115730,115734,11573839462
Pyrrhotite  (*)NickelineFe7S860060011157259056
Quartz  (*)QuartzSiO26006003115725,115734,11573861156
Rhodochrosite  (*)CalciteMn(CO3)6006002115725,1157301711
Rutile  (*)RutileTiO211157385614
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O6006001115725390
Siderite  (*)CalciteFe(CO3)60060011157256417
Sillimanite  (*)Not in a structural groupAl2SiO560060011157251516
Sphalerite  (*)SphaleriteZnS6006002115725,11573021482
Stannite  (*)Stannite SphaleriteCu2FeSnS46006001115725668
Tainiolite  (*)MicaKLiMg2Si4O10F2111573840
Titanite  (*)TitaniteCaTi(SiO4)O6006003115725,115730,1157384899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)26006003115725,115730,1157382562
Wurtzite  (*)WurtziteZnS6006001115725372
Zircon  (*)ZirconZr(SiO4)60060011157305251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)6006007115725,115726,115727,115729,115730,115732,1157331025



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Giersdorf_00000289Part of the Mozambique Metamorphic Belt


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
Giersdorf_00000289600600600Sm-Nd     Grossular, Zoisite 5699Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, TanzaniaMerelani MinesFeneyrol et al. (2017)10.3749/canmin.1600085TCM55_763 


SampleSource LocalityReference URL
FKM-1Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://www.rockptx.com/fkm-1-to-fkm-25/#FKM-1
FKM-13Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://www.rockptx.com/fkm-1-to-fkm-25/#FKM-13
FKM-26Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://www.rockptx.com/fkm-26-to-fkm-50/#FKM-26
R070133Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://rruff.info/R070133
R090046Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://rruff.info/R090046
R060280Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://rruff.info/R060280
R090047Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://rruff.info/R090047
R070422Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://rruff.info/R070422
R130069Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://rruff.info/R130069
X050184Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzaniahttps://rruff.info/X050184


All locality data graciously provided by mindat.org

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