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:
Oracle, Oracle District (Control District; Old Hat District; Santa Catalina District), Santa Catalina Mts, Pinal Co., Arizona, USA


mindat Locality ID: 43885
mindat URL: http://www.mindat.org/loc-43885.html

Tectonic Settings:

Total number of sublocalities beneath "Oracle, Oracle District (Control District; Old Hat District; Santa Catalina District), Santa Catalina Mts, Pinal Co., Arizona, USA": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Burney Mines (Copper Rose Mine; Canyon Del Oro Mines Inc.; Birthday Mine; Stove Lid Mine; Lead Reef Mine)
Catalina Mineral Co. Property (Silver Ledge)
John's Ranch
Little Hill Mine
North Cross Extension Mine (Oracle Star Claims; Morning Star Property)
Willow Spring Ranch (Willow Springs Ranch)
Willow Spring Ranch Area (Willow Springs Ranch Area)

Latitude: 32°34'59"N
Longitude: 110°48'17"W
Decimal Degree (lat, lon): 32.583055555556,-110.80472222222
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 Au B Ba Be C Ca Ce Cu Fe H K Mn Mo Na O Pb S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllaniteAllophaneBaryteBerylCalciteChalcopyriteClayCopperCorundumCovellite
DiasporeEpidoteFeldsparMalachiteMicaMolybdeniteNonePyriteQuartzRocksalt
RutileSphaleriteSpinelTourmaline

24 IMA Minerals at location:
Allanite-(Ce)  (*)Baryte  (*)Beryl  (*)Calcite  (*)Chalcocite  (*)
Chalcopyrite  (*)Chrysocolla  (*)Covellite  (*)Galena  (*)Goethite  (*)
Gold  (*)Hematite  (*)Magnetite  (*)Malachite  (*)Microcline  (*)
Molybdenite  (*)Muscovite  (*)Pyrite  (*)Pyrolusite  (*)Quartz  (*)
Schorl  (*)Silver  (*)Sphalerite  (*)Tenorite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)1146112706
Baryte  (*)BaryteBa(SO4)114610611547
Beryl  (*)BerylBe3Al2Si6O1811461114286
Calcite  (*)CalciteCa(CO3)114610627770
Chalcocite  (*)NoneCu2S11461095707
Chalcopyrite  (*)ChalcopyriteCuFeS22146106,14610927198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11461093531
Covellite  (*)CovelliteCuS11461094165
Galena  (*)RocksaltPbS2146106,14610924243
Goethite  (*)DiasporeFeO(OH)11461117437
Gold  (*)CopperAu2146106,14610830554
Hematite  (*)CorundumFe2O3114610914640
Magnetite  (*)SpinelFe2+Fe3+2O4114610914899
Malachite  (*)MalachiteCu2(CO3)(OH)2114610912537
Microcline  (*)FeldsparK(AlSi3O8)11461114924
Molybdenite  (*)MolybdeniteMoS211461095800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22146109,14611117380
Pyrite  (*)PyriteFeS2114610939462
Pyrolusite  (*)RutileMnO211461063106
Quartz  (*)QuartzSiO2114611161156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)2146111,1461122705
Silver  (*)CopperAg11461065186
Sphalerite  (*)SphaleriteZnS2146106,14610921482
Tenorite  (*)NoneCuO11461091101


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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