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:
Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA

Oldest recorded age at locality: 36.3
Youngest recorded age at locality: 23.8

mindat Locality ID: 50075
mindat URL: http://www.mindat.org/loc-50075.html

Tectonic Settings:

Total number of sublocalities beneath "Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA": 12
Total number of bottom-level sublocalities: 12

Number of Child Localities: 12
Child Localities:
Greenhorn Occurrence
Grizzly Gulch
Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423)
Lincoln Gulch
Mt. Hope Mine (Golden Champion Mill Site; MS 1882b; Golden Champion; MS 1882a; Claims:Mount Hope; MS 1881a; Mount Hope Mill Site; MS 1881b)
Ruby Mine (MS 12174; Claims: Ruby 1-4)
Sphalerite Mine
Unknown Gold Occurrence (MRDS - 10018128)
Unknown Lead (MRDS - 10118600)
Unknown Lead (MRDS - 10167627)
Unknown Lead (MRDS - 10190923)
Unknown Lead (MRDS - 10240139)

Latitude: 39°5'23"N
Longitude: 106°33'31"W
Decimal Degree (lat, lon): 39.089722222222,-106.55861111111

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 Ba C Ca Cu Fe H K Mg Mo Na O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mg Na O Si 

Structural Groups for minerals in this locality: 
BaryteCalciteChalcopyriteClayClinozoisiteCopperCovelliteEpidoteKaoliniteMalachite
MicaMolybdeniteNoneNot in a structural groupPolybasitePyriteQuartzRocksaltSmectite-vermiculiteSphalerite

23 IMA Minerals at location:
Anglesite  (*)Baryte  (*)Calcite  (*)Chalcopyrite  (*)Copper  (*)
Covellite  (*)Cuprite  (*)Epidote  (*)Galena  (*)Gold  (*)
Kaolinite  (*)Laumontite  (*)Malachite  (*)Molybdenite  (*)Montmorillonite  (*)
Muscovite  (*)Polybasite  (*)Pyrargyrite  (*)Pyrite  (*)Quartz  (*)
Silver  (*)Sphalerite  (*)Vermiculite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anglesite  (*)BarytePb(SO4)11951982734
Baryte  (*)BaryteBa(SO4)33.723.82195194,19519911547
Calcite  (*)CalciteCa(CO3)36.323.8027770
Chalcopyrite  (*)ChalcopyriteCuFeS236.323.85195195,195196,195197,195198,19519927198
Copper  (*)CopperCu11951963846
Covellite  (*)CovelliteCuS11951984165
Cuprite  (*)Not in a structural groupCu2O11951962970
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)36.323.808173
Galena  (*)RocksaltPbS119519924243
Gold  (*)CopperAu36.323.82195195,19519730554
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)436.323.805591
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O36.323.801271
Malachite  (*)MalachiteCu2(CO3)(OH)2119519812537
Molybdenite  (*)MolybdeniteMoS233.723.82195193,1951945800
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O36.323.801508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)236.323.8017380
Polybasite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]33.723.81195194716
Pyrargyrite  (*)NoneAg3SbS333.723.82195194,1951981425
Pyrite  (*)PyriteFeS236.323.87195193,195194,195195,195196,195197,195198,19519939462
Quartz  (*)QuartzSiO236.323.86195193,195194,195195,195197,195198,19519961156
Silver  (*)CopperAg36.323.82195195,1951975186
Sphalerite  (*)SphaleriteZnS2195198,19519921482
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O36.323.80652



9 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-6712433.723.828.75±4.95   67124    158688Grizzly Gulch, Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA NAVDAT NAVDAT 
NAVDAT-6712733.723.828.75±4.95   67127    158688Grizzly Gulch, Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA NAVDAT NAVDAT 
NAVDAT-6712833.723.828.75±4.95   67128    158688Grizzly Gulch, Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA NAVDAT NAVDAT 
NAVDAT-6711833.723.828.75±4.95   67118    118064Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA NAVDAT NAVDAT 
NAVDAT-6715633.723.828.75±4.95   67156    118064Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA NAVDAT NAVDAT 
NAVDAT-6715733.723.828.75±4.95   67157    118064Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA NAVDAT NAVDAT 
NAVDAT-6715833.723.828.75±4.95   67158    118064Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA NAVDAT NAVDAT 
NAVDAT-6715933.723.828.75±4.95   67159    118064Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA NAVDAT NAVDAT 
NAVDAT-6716036.329.733±3.3   67160    118064Independence Mine (Gatton; MS 1422; Claims: Independence; MS 1421; Mammoth; MS 1424; Dolly Varden; MS 1423), Lincoln District (Lincoln Gulch District; Ruby District), Pitkin Co., Colorado, USA NAVDAT NAVDAT 


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