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:
Tiger Mountain Area, Dripping Springs District, Dripping Spring Mts, Pinal Co., Arizona, USA

Oldest recorded age at locality: 77
Youngest recorded age at locality: 63

mindat Locality ID: 274706
mindat URL: http://www.mindat.org/loc-274706.html

Tectonic Settings:

Total number of sublocalities beneath "Tiger Mountain Area, Dripping Springs District, Dripping Spring Mts, Pinal Co., Arizona, USA": 9
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Antelope Claim (Copper Depot Claim; Copper King Patented Claim; New Century Patented Claim; Iron King Patented Claim; Hoosier Boy Claim; Claims MS 2447)
Buckeye East Mine (Troy Manhattan Copper Co. Property; Buckeye Property)
Elder Gulch Prospects
Hackberry Gulch
Maybee Group (James Gaylor Claims)
Prince Of Wales Prospect
Rattler Mine (Troy Mine; Troy-Arizona Mine; Troy-Manhattan Mine; Troy Copper Co. Property)
Troy Ranch Prospect (Nearby Claims 2; Mary Alice Claims 8-21)

Latitude: 33°8'28"N
Longitude: 110°54'27"W
Decimal Degree (lat, lon): 33.141111111111,-110.9075

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 C Cu Fe H K Mo O Pb S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ChalcopyriteClayCopperCorundumDiasporeMalachiteMicaMolybdeniteNoneNot in a structural group
PyriteRocksaltScheeliteSphalerite

15 IMA Minerals at location:
Bornite  (*)Chalcocite  (*)Chalcopyrite  (*)Galena  (*)Goethite  (*)
Gold  (*)Hematite  (*)Hemimorphite  (*)Malachite  (*)Molybdenite  (*)
Muscovite  (*)Pyrite  (*)Silver  (*)Sphalerite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Bornite  (*)NoneCu5FeS477632145394,1453955516
Chalcocite  (*)NoneCu2S11453945707
Chalcopyrite  (*)ChalcopyriteCuFeS277634145389,145391,145394,14539527198
Galena  (*)RocksaltPbS114538924243
Goethite  (*)DiasporeFeO(OH)11453897437
Gold  (*)CopperAu2145391,14539430554
Hematite  (*)CorundumFe2O3114538914640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O11453891689
Malachite  (*)MalachiteCu2(CO3)(OH)2114539412537
Molybdenite  (*)MolybdeniteMoS2776311453955800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)277632145394,14539517380
Pyrite  (*)PyriteFeS27763114539539462
Silver  (*)CopperAg11453945186
Sphalerite  (*)SphaleriteZnS114538921482
Wulfenite  (*)ScheelitePbMoO411453891655



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
NAVDAT-30032776370±7   30032    130425Troy Ranch Prospect (Nearby Claims 2; Mary Alice Claims 8-21), Tiger Mountain Area, Dripping Springs District, Dripping Spring Mts, Pinal Co., Arizona, USA NAVDAT NAVDAT 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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