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:
Loayza Province, La Paz, Bolivia

Oldest recorded age at locality: 26.4
Youngest recorded age at locality: 25.2

mindat Locality ID: 24775
mindat URL: http://www.mindat.org/loc-24775.html

Tectonic Settings:

Total number of sublocalities beneath "Loayza Province, La Paz, Bolivia": 21
Total number of bottom-level sublocalities: 14

Number of Child Localities: 12
Child Localities:
Chojñacota Mine
Choquetanga Chico
El Asiento De Araca
Espíritu Santo Mine
Ichuraya
Iruchuño (Uruchuño)
Luribay
Mallachuma Mine
Mocoya
Monteblanco Mine
Sapahaqui
Viloco Mine (Araca Mine)

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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 Ba Bi C Ca Cl Cu Fe H Hg K Mg Mo Na O Pb S Sb Si Sn Ti W Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAluniteAmorphousArsenicArsenopyriteBaryteCalciteChalcopyriteChloriteClay
ColumbiteCopiapiteCopperCorundumDiasporeGypsumHalotrichiteKaoliniteLöllingiteMelanterite
MicaMolybdeniteNickelineNonePyritePyrochloreQuartzRocksaltRutileScheelite
SphaleriteSpinelStanniteStibniteSulphurZircon

46 IMA Minerals at location:
Acanthite  (*)Ankerite  (*)Arsenopyrite  (*)Baryte  (*)Bindheimite  (*)
Bismuth  (*)Bismuthinite  (*)Cassiterite  (*)Cervantite  (*)Chalcopyrite  (*)
Chamosite  (*)Cinnabar  (*)Copiapite  (*)Ferberite  (*)Ferrimolybdite  (*)
Galena  (*)Glauberite  (*)Goethite  (*)Gold  (*)Gypsum  (*)
Halite  (*)Hematite  (*)Jamesonite  (*)Jarosite  (*)Kaolinite  (*)
Löllingite  (*)Magnetite  (*)Melanterite  (*)Mirabilite  (*)Molybdenite  (*)
Muscovite  (*)Opal  (*)Pickeringite  (*)Pyrite  (*)Pyrrhotite  (*)
Quartz  (*)Realgar  (*)Rutile  (*)Scheelite  (*)Siderite  (*)
Sphalerite  (*)Stannite  (*)Stibnite  (*)Sulphur  (*)Tin  (*)
Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S26.425.21259982793
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2225986,259873092
Arsenopyrite  (*)ArsenopyriteFeAsS26.425.2625979,25980,25982,25983,25998,259999052
Baryte  (*)BaryteBa(SO4)225986,2598711547
Bindheimite  (*)PyrochlorePb2Sb5+2O7125982450
Bismuth  (*)ArsenicBi26.425.21259981966
Bismuthinite  (*)StibniteBi2S326.425.21259981935
Cassiterite  (*)RutileSnO226.425.2625979,25982,25983,25993,25998,259995171
Cervantite  (*)NoneSb3+Sb5+O4125984352
Chalcopyrite  (*)ChalcopyriteCuFeS22626425979,25983,25998,2599927198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)826.425.2125998577
Cinnabar  (*)NoneHgS225990,259972600
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O125997382
Ferberite  (*)ColumbiteFe2+(WO4)26.425.2325986,25987,25998551
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O26.425.2125998345
Galena  (*)RocksaltPbS12597924243
Glauberite  (*)NoneNa2Ca(SO4)2125984137
Goethite  (*)DiasporeFeO(OH)26.425.2225998,259997437
Gold  (*)CopperAu225980,2598330554
Gypsum  (*)GypsumCa(SO4)·2H2O1259976890
Halite  (*)RocksaltNaCl26.425.21259981398
Hematite  (*)CorundumFe2O326.425.212599814640
Jamesonite  (*)NonePb4FeSb6S14125982784
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)61259972228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)426.425.21259985591
Löllingite  (*)LöllingiteFeAs226.425.2125998762
Magnetite  (*)SpinelFe2+Fe3+2O426.425.2225998,2599914899
Melanterite  (*)MelanteriteFe(SO4)·7H2O125984915
Mirabilite  (*)NoneNa2(SO4)·10H2O125984223
Molybdenite  (*)MolybdeniteMoS226.425.21259985800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)226.425.2325980,25983,2599817380
Opal  (*)AmorphousSiO2·nH2O1259972994
Pickeringite  (*)HalotrichiteMgAl2(SO4)4·22H2O125984265
Pyrite  (*)PyriteFeS226.425.2625979,25980,25983,25984,25993,2599839462
Pyrrhotite  (*)NickelineFe7S826.425.2525980,25983,25993,25998,259999056
Quartz  (*)QuartzSiO226.425.21025979,25980,25982,25983,25988,25991,25993,25997,25998,2599961156
Realgar  (*)NoneAsS125997712
Rutile  (*)RutileTiO226.425.21259985614
Scheelite  (*)ScheeliteCa(WO4)26.425.2325980,25983,259984894
Siderite  (*)CalciteFe(CO3)26.425.2325979,25998,259996417
Sphalerite  (*)SphaleriteZnS26.425.2225979,2599821482
Stannite  (*)Stannite SphaleriteCu2FeSnS426.425.2125998668
Stibnite  (*)StibniteSb2S3325984,25986,259873418
Sulphur  (*)SulphurS225984,259972045
Tin  (*)NoneSn26.425.212599863
Zircon  (*)ZirconZr(SiO4)26.425.21259985251



3 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
Kaitlynn000017262626K-Arage of sulphidechalcopyriteCR-256  Chalcopyrite  335Viloco Mine (Araca Mine), Loayza Province, La Paz, BoliviaVilocoTilton et al. (1981)10.1130/MEM154-p791MGSA154_791 
T25_1_00126.42626.2 ± 0.2U-Pb zircon   Zircon  335Viloco Mine (Araca Mine), Loayza Province, La Paz, BoliviaViloco mineGillis et al. (2006) T25_1 
T25_1_00225.625.225.4 ± 0.2U-Pb zircon   Zircon  335Viloco Mine (Araca Mine), Loayza Province, La Paz, BoliviaViloco mineGillis et al. (2006) T25_1 


SampleSource LocalityReference URL
R050576Viloco Mine (Araca Mine), Loayza Province, La Paz, Boliviahttps://rruff.info/R050576


All locality data graciously provided by mindat.org

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