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:
Pioneer Mine (Great Republic Mine; Old Pioneer; White Metal; White Metal Mining Co. Claims; Great Republic Patent MS 370; Devine Property; Pioneer South Patent MS 374), Pioneer Mountain, Pinal Mountains District, Pinal Mts, Gila Co., Arizona, USA

Oldest recorded age at locality: 1660
Youngest recorded age at locality: 1360

mindat Locality ID: 48641
mindat URL: http://www.mindat.org/loc-48641.html

Tectonic Settings:

Total number of sublocalities beneath "Pioneer Mine (Great Republic Mine; Old Pioneer; White Metal; White Metal Mining Co. Claims; Great Republic Patent MS 370; Devine Property; Pioneer South Patent MS 374), Pioneer Mountain, Pinal Mountains District, Pinal Mts, Gila Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 33°14'4"N
Longitude: 110°50'14"W
Decimal Degree (lat, lon): 33.234444444444,-110.83722222222

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 Ba C Ca O Pb S Zn 

Elements from minerals reported directly at this locality: Ag Ba C Ca O Pb S Zn 

Structural Groups for minerals in this locality: 
AcanthiteBaryteCalciteNoneRocksaltSphalerite

5 IMA Minerals at location:
Acanthite  (*)Baryte  (*)Calcite  (*)Galena  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S1660136002793
Baryte  (*)BaryteBa(SO4)16601360011547
Calcite  (*)CalciteCa(CO3)16601360027770
Galena  (*)RocksaltPbS16601360024243
Sphalerite  (*)SphaleriteZnS16601360021482



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Giersdorf_00000316Pegmatite in the Pinal Schist


2 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_00000315144013601400±40K-Ar  UAKA-59-1  Muscovite 48641Pioneer Mine (Great Republic Mine; Old Pioneer; White Metal; White Metal Mining Co. Claims; Great Republic Patent MS 370; Devine Property; Pioneer South Patent MS 374), Pioneer Mountain, Pinal Mountains District, Pinal Mts, Gila Co., Arizona, USAOld Pioneer Stagecoach StationShafiqullah et al. (1980) AGSD12_201Age cited by paper seems backwards, with the pegmatite being older than the rock it is purportedly intruding
Giersdorf_00000316166015801620±40K-Ar  UAKA-59-1  Muscovite 48641Pioneer Mine (Great Republic Mine; Old Pioneer; White Metal; White Metal Mining Co. Claims; Great Republic Patent MS 370; Devine Property; Pioneer South Patent MS 374), Pioneer Mountain, Pinal Mountains District, Pinal Mts, Gila Co., Arizona, USAOld Pioneer Stagecoach StationShafiqullah et al. (1980) AGSD12_201Age cited by paper seems backwards, with the pegmatite being older than the rock it is purportedly intruding


SampleSource LocalityReference URL


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