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:
Sierrita Mts, San Xavier (Tohono O'odom) Indian Reservation, Pima Co., Arizona, USA

Oldest recorded age at locality: 56
Youngest recorded age at locality: 56

mindat Locality ID: 275141
mindat URL: http://www.mindat.org/loc-275141.html

Tectonic Settings:

Total number of sublocalities beneath "Sierrita Mts, San Xavier (Tohono O'odom) Indian Reservation, Pima Co., Arizona, USA": 8
Total number of bottom-level sublocalities: 6

Number of Child Localities: 2
Child Localities:
Black Mountain
Pima District (Olive District; Mineral Hill District; Twin Buttes District)

Latitude: 32°3'32"N
Longitude: 111°4'34"W
Decimal Degree (lat, lon): 32.058888888889,-111.07611111111
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 C Ca Cu Fe H K Mo O S Si Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAluniteChalcopyriteFeldsparMalachiteMolybdeniteNoneNot in a structural groupPyriteZircon

11 IMA Minerals at location:
Anorthite  (*)Azurite  (*)Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)
Jarosite  (*)Malachite  (*)Molybdenite  (*)Pyrite  (*)Tenorite  (*)
Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anorthite  (*)FeldsparCa(Al2Si2O8)11440881036
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2565611440935509
Chalcocite  (*)NoneCu2S565611440935707
Chalcopyrite  (*)ChalcopyriteCuFeS25656114409327198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O565611440933531
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)6565611440932228
Malachite  (*)MalachiteCu2(CO3)(OH)25656114409312537
Molybdenite  (*)MolybdeniteMoS2565611440935800
Pyrite  (*)PyriteFeS25656114409339462
Tenorite  (*)NoneCuO565611440931101
Zircon  (*)ZirconZr(SiO4)11440915251


1 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-00088565656      Altaite, Alunite, Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Epidote, Galena, Kaolinite, Molybdenite, Pyrite, Sphalerite, Tenorite, NeotociteCu32000North San Xavier Pit (San Xavier North Pit; San Xavier Mine), Mission Complex, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, San Xavier (Tohono O'odom) Indian Reservation, Pima Co., Arizona, USASan Xavier NorthSinger et al. (2008) USGSOFR2008_1155 

SampleSource LocalityReference URL

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