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:
Gila River Indian Reservation, Pinal Co., Arizona, USA

Oldest recorded age at locality: 70
Youngest recorded age at locality: 19.99

mindat Locality ID: 44410
mindat URL: http://www.mindat.org/loc-44410.html

Tectonic Settings:

Total number of sublocalities beneath "Gila River Indian Reservation, Pinal Co., Arizona, USA": 34
Total number of bottom-level sublocalities: 19

Number of Child Localities: 8
Child Localities:
Mineral Butte Area
Pima Butte
Sacaton Mts
Santa Cruz
Santa Cruz Wash
Santan Mountain
Santan Mts
Sierra Estrella Mts

Latitude: 33°7'26"N
Longitude: 111°51'52"W
Decimal Degree (lat, lon): 33.123888888889,-111.86444444444
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 Cl Cu Fe H K Mg N Na O S Si Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAndalusiteBerylCalciteChalcopyriteClayCorundumFeldsparMicaNone
Not in a structural groupPyriteQuartzRocksaltRutile

15 IMA Minerals at location:
Albite  (*)Andalusite  (*)Chalcopyrite  (*)Chrysocolla  (*)Cordierite  (*)
Corundum  (*)Halite  (*)Hematite  (*)Microcline  (*)Muscovite  (*)
Nitratine  (*)Pyrite  (*)Quartz  (*)Rutile  (*)Sillimanite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)20.8919.9911456168803
Andalusite  (*)AndalusiteAl2SiO511455971310
Chalcopyrite  (*)ChalcopyriteCuFeS27070114558627198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O7019.993145583,145598,1456143531
Cordierite  (*)BerylMg2Al4Si5O1811455971008
Corundum  (*)CorundumAl2O34145591,145594,145596,1455971797
Halite  (*)RocksaltNaCl11456021398
Hematite  (*)CorundumFe2O320.8919.99114561414640
Microcline  (*)FeldsparK(AlSi3O8)20.8919.9911456164924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)220.8919.995145588,145601,145613,145615,14561617380
Nitratine  (*)CalciteNa(NO3)114560291
Pyrite  (*)PyriteFeS27070114558639462
Quartz  (*)QuartzSiO220.8919.997145588,145593,145594,145601,145611,145613,14561561156
Rutile  (*)RutileTiO22145591,1455965614
Sillimanite  (*)Not in a structural groupAl2SiO511455971516


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
PorphCu-00701707070      Chalcopyrite, PyriteCu51998Mineral Butte Area, Gila River Indian Reservation, Pinal Co., Arizona, USAMineral ButteSinger et al. (2008) USGSOFR2008_1155 
Giersdorf_0000041120.8919.9920.44±0.45K-Ar  UAKA-74-39    44411Sierra Estrella Mts, Gila River Indian Reservation, Pinal Co., Arizona, USAEstrella Quad.Shafiqullah et al. (1980) AGSD12_201 

SampleSource LocalityReference URL

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