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:
Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania

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

mindat Locality ID: 5699
mindat URL: http://www.mindat.org/loc-5699.html

Tectonic Settings:

Total number of sublocalities beneath "Merelani Hills (Mererani), Lelatema Mts, Simanjiro District, Manyara Region, Tanzania": 8
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
A-Block Mine
B-Block Mine
C-Block Mine
D-Block Mine
Machakecho Workings
Mawaya Pit
Samax Mine

Latitude: 3°34'59"S
Longitude: 37°0'29"E
Decimal Degree (lat, lon): -3.5830555555556,37.008055555556
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 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: Al As B C Ca Cu Fe Ge H K Mg Mn Mo Na Ni O Pb S Sb Se Si Sn V Zn 

Structural Groups for minerals in this locality: 
AllaniteAmphiboleApatiteAxiniteCalciteChalcopyriteChloriteClayClinozoisiteCorundum
CylindriteEpidoteFluoriteGarnetGermaniteGravegliaiteGypsumHeulanditeMicaMillerite
MolybdeniteNatroliteNickelineNoneNot in a structural groupPectolitePrehnitePyritePyroxeneQuartz
RocksaltSphaleriteStanniteTitaniteTourmalineWurtziteZircon

46 IMA Minerals at location:
Alabandite  (*)Allanite-(Ce)  (*)Axinite-(Mg)  (*)Axinite-(Mn)  (*)Calcite  (*)
Chalcopyrite  (*)Clausthalite  (*)Clinochlore  (*)Colusite  (*)Diopside  (*)
Dravite  (*)Fluorapatite  (*)Fluorite  (*)Germanocolusite  (*)Graphite  (*)
Gravegliaite  (*)Grossular  (*)Gypsum  (*)Hematite  (*)Heulandite-Ca  (*)
Karelianite  (*)Kyanite  (*)Laumontite  (*)Merelaniite  (*)Mesolite  (*)
Millerite  (*)Molybdenite  (*)Mukhinite  (*)Muscovite  (*)Pectolite  (*)
Phlogopite  (*)Prehnite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Rhodochrosite  (*)Scolecite  (*)Siderite  (*)Sillimanite  (*)Sphalerite  (*)
Stannite  (*)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  (*)RocksaltMnS6006000312
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)6006001115730706
Axinite-(Mg)  (*)AxiniteCa4Mg2Al4[B2Si8O30](OH)2600600111573012
Axinite-(Mn)  (*)AxiniteCa4Mn2+2Al4[B2Si8O30](OH)2600600111573088
Calcite  (*)CalciteCa(CO3)600600111573027770
Chalcopyrite  (*)ChalcopyriteCuFeS2600600027198
Clausthalite  (*)RocksaltPbSe6006000281
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)860060001756
Colusite  (*)Sphalerite GermaniteCu13VAs3S166006000110
Diopside  (*)PyroxeneCaMgSi2O66006002115730,1157334135
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)6006000648
Fluorapatite  (*)ApatiteCa5(PO4)3F60060011157302740
Fluorite  (*)FluoriteCaF260060011157309617
Germanocolusite  (*)Germanite SphaleriteCu13VGe3S1660060005
Graphite  (*)NoneC6006006115726,115727,115729,115730,115732,1157332812
Gravegliaite  (*)GravegliaiteMn2+(S4+O3)·3H2O60060003
Grossular  (*)GarnetCa3Al2(SiO4)360060011157301544
Gypsum  (*)GypsumCa(SO4)·2H2O60060006890
Hematite  (*)CorundumFe2O3600600014640
Heulandite-Ca  (*)Heulandite(Ca,Na,K)5(Si27Al9)O72·26H2O6006000246
Karelianite  (*)CorundumV2O3600600017
Kyanite  (*)Not in a structural groupAl2OSiO460060011157301507
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O60060001271
Merelaniite  (*)CylindritePb4Mo4VSbS1560060001
Mesolite  (*)NatroliteNa2Ca2(Si9Al6)O30·8H2O6006000425
Millerite  (*)MilleriteNiS60060001066
Molybdenite  (*)MolybdeniteMoS260060011157305800
Mukhinite  (*)Clinozoisite EpidoteCa2(Al2V3+)[Si2O7][SiO4]O(OH)60060005
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2600600017380
Pectolite  (*)PectoliteNaCa2Si3O8(OH)6006000363
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)260060002273
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)26006002115730,1157321898
Pyrite  (*)PyriteFeS2600600111573039462
Pyrrhotite  (*)NickelineFe7S860060009056
Quartz  (*)QuartzSiO2600600061156
Rhodochrosite  (*)CalciteMn(CO3)60060011157301711
Scolecite  (*)NatroliteCa(Si3Al2)O10·3H2O6006000390
Siderite  (*)CalciteFe(CO3)60060006417
Sillimanite  (*)Not in a structural groupAl2SiO560060001516
Sphalerite  (*)SphaleriteZnS600600111573021482
Stannite  (*)Stannite SphaleriteCu2FeSnS46006000668
Titanite  (*)TitaniteCaTi(SiO4)O60060011157304899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)260060011157302562
Wurtzite  (*)WurtziteZnS6006000372
Zircon  (*)ZirconZr(SiO4)60060011157305251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)6006006115726,115727,115729,115730,115732,1157331025


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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