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:
Kohatk, Vekol District, Vekol Mts, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA


mindat Locality ID: 274801
mindat URL: http://www.mindat.org/loc-274801.html

Tectonic Settings:

Total number of sublocalities beneath "Kohatk, Vekol District, Vekol Mts, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA": 9
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Christmas Gift Mine (Burnham And Chilson Property; Acme Group; Eals And Chamberlain Property)
Hill Top Mine
Le La Mine
Red Chief Mine
Republic Mine (Republic Copper Prospect; Ocotillo Copper Co. Group; Super Six Mine; Super Six Group; Lucky Ace Mine)
Reward Mine (Bat Tunnel; South Reward; Petrochis Claim; Phenomenon)
Spundulic Mine
Vekol Hills Project (Vekol Hills; Newmont Vekol)

Latitude: 32°35'3"N
Longitude: 112°4'49"W
Decimal Degree (lat, lon): 32.584166666667,-112.08027777778
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: Ag Al As Au C Ca Cl Cr Cu Fe H K Mg Mn Mo O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneAluniteBaryteCalciteChalcopyriteClayCopperCorundumFornacite
GypsumKaoliniteMalachiteMolybdeniteNickelineNonePhenakitePyriteQuartzRocksalt
RutileScheeliteSphaleriteSpinelTetrahedrite

35 IMA Minerals at location:
Acanthite  (*)Anglesite  (*)Aurichalcite  (*)Boleite  (*)Bornite  (*)
Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Chlorargyrite  (*)Chrysocolla  (*)
Copper  (*)Dickite  (*)Dolomite  (*)Fornacite  (*)Galena  (*)
Gold  (*)Gypsum  (*)Hematite  (*)Jarosite  (*)Kaolinite  (*)
Magnetite  (*)Malachite  (*)Molybdenite  (*)Pyrargyrite  (*)Pyrite  (*)
Pyrolusite  (*)Pyrrhotite  (*)Quartz  (*)Siderite  (*)Silver  (*)
Smithsonite  (*)Sphalerite  (*)Tetrahedrite-(Zn)  (*)Willemite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S11463012793
Anglesite  (*)BarytePb(SO4)11463012734
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)61146301919
Boleite  (*)NoneKAg9Pb26Cu24Cl62(OH)48114630165
Bornite  (*)NoneCu5FeS411463045516
Calcite  (*)CalciteCa(CO3)2146296,14630127770
Chalcocite  (*)NoneCu2S2146300,1463045707
Chalcopyrite  (*)ChalcopyriteCuFeS22146301,14630427198
Chlorargyrite  (*)RocksaltAgCl2146301,1463041382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O3146300,146301,1463043531
Copper  (*)CopperCu11463013846
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)41146301651
Dolomite  (*)NoneCaMg(CO3)211463019895
Fornacite  (*)FornaciteCuPb2(CrO4)(AsO4)(OH)2146301,14630485
Galena  (*)RocksaltPbS2146296,14630124243
Gold  (*)CopperAu2146296,14630430554
Gypsum  (*)GypsumCa(SO4)·2H2O2146300,1463016890
Hematite  (*)CorundumFe2O3114630414640
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)62146300,1463012228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)42146301,1463045591
Magnetite  (*)SpinelFe2+Fe3+2O4114630114899
Malachite  (*)MalachiteCu2(CO3)(OH)23146300,146301,14630412537
Molybdenite  (*)MolybdeniteMoS211463045800
Pyrargyrite  (*)NoneAg3SbS311463011425
Pyrite  (*)PyriteFeS22146301,14630439462
Pyrolusite  (*)RutileMnO211463013106
Pyrrhotite  (*)NickelineFe7S811463019056
Quartz  (*)QuartzSiO2114630461156
Siderite  (*)CalciteFe(CO3)11463016417
Silver  (*)CopperAg2146301,1463045186
Smithsonite  (*)CalciteZn(CO3)11463012473
Sphalerite  (*)SphaleriteZnS2146301,14630421482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1311463015317
Willemite  (*)PhenakiteZn2SiO41146301303
Wulfenite  (*)ScheelitePbMoO411463011655


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...