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:
San Antonio Mine, Viloco Mine (Araca Mine), Loayza Province, La Paz, Bolivia

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

mindat Locality ID: 20318
mindat URL: http://www.mindat.org/loc-20318.html

Tectonic Settings:

Total number of sublocalities beneath "San Antonio Mine, Viloco Mine (Araca Mine), Loayza Province, La Paz, Bolivia": 0
Total number of bottom-level sublocalities: 0

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: As C Cu Fe H O S Si Sn 

Elements from minerals reported directly at this locality: As C Cu Fe H O S Si Sn 

Structural Groups for minerals in this locality: 
ArsenopyriteCalciteChalcopyriteDiasporeNickelineNoneQuartzRutileSpinel

8 IMA Minerals at location:
Arsenopyrite  (*)Cassiterite  (*)Chalcopyrite  (*)Goethite  (*)Magnetite  (*)
Pyrrhotite  (*)Quartz  (*)Siderite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS26.425.209052
Cassiterite  (*)RutileSnO226.425.205171
Chalcopyrite  (*)ChalcopyriteCuFeS22626027198
Goethite  (*)DiasporeFeO(OH)26.425.207437
Magnetite  (*)SpinelFe2+Fe3+2O426.425.2014899
Pyrrhotite  (*)NickelineFe7S826.425.209056
Quartz  (*)QuartzSiO226.425.2061156
Siderite  (*)CalciteFe(CO3)26.425.206417


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 YesChalcopyrite  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  YesZircon  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  YesZircon  335Viloco Mine (Araca Mine), Loayza Province, La Paz, BoliviaViloco mineGillis et al. (2006) T25_1 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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