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:
Dragoon District (Golden Rule District), Dragoon Mts, Cochise Co., Arizona, USA

Oldest recorded age at locality: 76.1
Youngest recorded age at locality: 0

mindat Locality ID: 32715
mindat URL: http://www.mindat.org/loc-32715.html

Tectonic Settings:

Total number of sublocalities beneath "Dragoon District (Golden Rule District), Dragoon Mts, Cochise Co., Arizona, USA": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Bill's Cut Prospect
Buena Vista And Horse Fall Mines
Golden Rule Mine (Old Terrible Mine; Golden Eagle Mine; Santa Lucia Mine)
Hubbard Mine (Democrat & Sherman Mine; Dragoon Zinc Mine; Dragoon Zinc-Lead Mine; Rainbow Mine)
Senecia Mine (Senika Mine; Seneca Mine; Lewis Group)

Latitude: 31°57'29"N
Longitude: 109°59'37"W
Decimal Degree (lat, lon): 31.958055555556,-109.99361111111

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 Br C Ca Cd Cu Fe H K Mg O Pb S Si Zn 

Elements from minerals reported directly at this locality: Fe H O 

Structural Groups for minerals in this locality: 
AluniteAragoniteBaryteCalciteChalcopyriteClayCopperCorundumCovelliteDiaspore
KaoliniteLinariteMalachiteMicaNonePlancheitePyriteQuartzRocksaltSphalerite

22 IMA Minerals at location:
Anglesite  (*)Bornite  (*)Bromargyrite  (*)Calcite  (*)Cerussite  (*)
Chalcopyrite  (*)Covellite  (*)Dolomite  (*)Galena  (*)Goethite  (*)
Gold  (*)Hawleyite  (*)Hematite  (*)Jarosite  (*)Kaolinite  (*)
Linarite  (*)Malachite  (*)Muscovite  (*)Plancheite  (*)Pyrite  (*)
Quartz  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anglesite  (*)BarytePb(SO4)76.172.111367972734
Bornite  (*)NoneCu5FeS476.172.111367975516
Bromargyrite  (*)RocksaltAgBr76.172.11136797227
Calcite  (*)CalciteCa(CO3)76.172.1113679727770
Cerussite  (*)AragonitePb(CO3)76.172.111367974979
Chalcopyrite  (*)ChalcopyriteCuFeS276.172.1113679727198
Covellite  (*)CovelliteCuS76.172.111367974165
Dolomite  (*)NoneCaMg(CO3)276.172.111367979895
Galena  (*)RocksaltPbS76.102136797,13679924243
Goethite  (*)DiasporeFeO(OH)76.172.107437
Gold  (*)CopperAu76.172.1113679730554
Hawleyite  (*)SphaleriteCdS76.10113679662
Hematite  (*)CorundumFe2O376.172.1113679714640
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)676.172.111367972228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)476.172.111367975591
Linarite  (*)LinariteCuPb(SO4)(OH)276.172.11136797987
Malachite  (*)MalachiteCu2(CO3)(OH)276.172.1113679712537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)276.172.1113679717380
Plancheite  (*)PlancheiteCu8(Si4O11)2(OH)4·H2O76.172.1113679774
Pyrite  (*)PyriteFeS276.102136797,13679939462
Quartz  (*)QuartzSiO276.172.1113679761156
Sphalerite  (*)SphaleriteZnS76.103136796,136797,13679921482



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_554Near-surface occurrence. Recently forming oxalate associated with cave deposits, in Cochise County, Arizona.


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
Michelle_55400Recent Age of whewellite mineralizationhigh   YesWhewellite 15570Cochise Co., Arizona, USACochise CountyHofmann and Bernasconi (1998)10.1016/S0009-2541(98)00043-6CG149_127Described as "recent cave deposits."
Giersdorf_0000035076.172.174.1±2K-Ar  UAKA-74-24    32719Golden Rule Mine (Old Terrible Mine; Golden Eagle Mine; Santa Lucia Mine), Dragoon District (Golden Rule District), Dragoon Mts, Cochise Co., Arizona, USAGolden Rule MineShafiqullah et al. (1980) AGSD12_201 


SampleSource LocalityReference URL


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