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:
Mount Aigare, Shingle Springs District, West Belt, El Dorado Co., California, USA


mindat Locality ID: 264351
mindat URL: http://www.mindat.org/loc-264351.html

Tectonic Settings:

Total number of sublocalities beneath "Mount Aigare, Shingle Springs District, West Belt, El Dorado Co., California, USA": 11
Total number of bottom-level sublocalities: 10

Number of Child Localities: 10
Child Localities:
Bernett Property
Big Canyon Mine (Oro Fino)
Boston Mine [1]
Fort Yuma Mine
Fort Yuma Mine Area
French Creek Mine
Log Cabin Mine (Darrow)
Monarch-Sugar Loaf Mine (Monarch Sugar Loaf Mine)
Unnamed Placer Au Mine [10] (dredge Tailings)
Vandalia Mine

Latitude: 38°36'38"N
Longitude: 120°54'56"W
Decimal Degree (lat, lon): 38.610555555556,-120.91555555556
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 As Au C Ca Cr Cu Fe H Mg Na O Pb S Si Ti Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleArsenopyriteCalciteChalcopyriteClinozoisiteCopperCorundumEpidoteFeldsparNickeline
NonePyriteQuartzRocksaltRutileSphaleriteSpinelTitanite

21 IMA Minerals at location:
Actinolite  (*)Albite  (*)Ankerite  (*)Arsenopyrite  (*)Bornite  (*)
Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Chromite  (*)Epidote  (*)
Galena  (*)Gold  (*)Hematite  (*)Magnetite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Riebeckite  (*)Rutile  (*)Sphalerite  (*)
Titanite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)211554413419
Albite  (*)FeldsparNa(AlSi3O8)11554418803
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)211554413092
Arsenopyrite  (*)ArsenopyriteFeAsS11554469052
Bornite  (*)NoneCu5FeS411554425516
Calcite  (*)CalciteCa(CO3)115544127770
Chalcocite  (*)NoneCu2S11554425707
Chalcopyrite  (*)ChalcopyriteCuFeS24155441,155442,155446,15544827198
Chromite  (*)SpinelFe2+Cr2O411554453902
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2155441,1554508173
Galena  (*)RocksaltPbS115544824243
Gold  (*)CopperAu7155441,155443,155446,155447,155448,155449,15545030554
Hematite  (*)CorundumFe2O32155441,15545014640
Magnetite  (*)SpinelFe2+Fe3+2O4115545014899
Pyrite  (*)PyriteFeS24155441,155446,155448,15545039462
Pyrrhotite  (*)NickelineFe7S811554419056
Quartz  (*)QuartzSiO26155441,155443,155446,155447,155448,15545061156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)21155450375
Rutile  (*)RutileTiO211554415614
Sphalerite  (*)SphaleriteZnS115544821482
Titanite  (*)TitaniteCaTi(SiO4)O11554414899


No ages have been assigned to this locality yet.
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All locality data graciously provided by mindat.org

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