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:
Fair Play, Fairplay District, El Dorado Co., California, USA


mindat Locality ID: 264157
mindat URL: http://www.mindat.org/loc-264157.html

Tectonic Settings:

Total number of sublocalities beneath "Fair Play, Fairplay District, El Dorado Co., California, USA": 8
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
C. D. Lane Claim
Consumnes Mine (Consumnes Copper Mine)
Fair Play Hill Placer
Fairplay Placer (California Mohawk)
Michigan Placer
Staples & Company Placer
Unnamed Au Placer Mine [7] (dredge Tailings)
Unnamed Hornblende Occurrence [1]

Latitude: 38°35'59"N
Longitude: 120°38'3"W
Decimal Degree (lat, lon): 38.599722222222,-120.63416666667

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 Au B C Ca Cu Fe H K Mg Mn Mo O S Sb Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AxiniteCalciteChalcopyriteClayClinozoisiteCopperEpidoteFeldsparGarnetMalachite
MolybdeniteNoneNot in a structural groupPyrophyllitePyroxeneQuartzScheeliteStibnite

19 IMA Minerals at location:
Axinite-(Mn)  (*)Azurite  (*)Bornite  (*)Calcite  (*)Chalcocite  (*)
Chalcopyrite  (*)Copper  (*)Diopside  (*)Epidote  (*)Ferrimolybdite  (*)
Gold  (*)Grossular  (*)Malachite  (*)Molybdenite  (*)Orthoclase  (*)
Powellite  (*)Pyrophyllite  (*)Quartz  (*)Stibnite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Axinite-(Mn)  (*)AxiniteCa4Mn2+2Al4[B2Si8O30](OH)2115427688
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211542765509
Bornite  (*)NoneCu5FeS411542765516
Calcite  (*)CalciteCa(CO3)115427627770
Chalcocite  (*)NoneCu2S11542765707
Chalcopyrite  (*)ChalcopyriteCuFeS2115427627198
Copper  (*)CopperCu11542763846
Diopside  (*)PyroxeneCaMgSi2O611542764135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11542768173
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O1154276345
Gold  (*)CopperAu2154276,15427830554
Grossular  (*)GarnetCa3Al2(SiO4)311542761544
Malachite  (*)MalachiteCu2(CO3)(OH)2115427612537
Molybdenite  (*)MolybdeniteMoS211542765800
Orthoclase  (*)FeldsparK(AlSi3O8)11542762349
Powellite  (*)ScheeliteCa(MoO4)1154276494
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)21154276771
Quartz  (*)QuartzSiO2115427661156
Stibnite  (*)StibniteSb2S311542763418



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...