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:
Chilcoot, Diamond Mts, Plumas Co., California, USA


mindat Locality ID: 212689
mindat URL: http://www.mindat.org/loc-212689.html

Tectonic Settings:

Total number of sublocalities beneath "Chilcoot, Diamond Mts, Plumas Co., California, USA": 8
Total number of bottom-level sublocalities: 6

Number of Child Localities: 4
Child Localities:
Harris Occurrence
Lucky Strike Claim (Higginson & Meachum Claim)
Red Rock Area
W O P Occurrence

Latitude: 39°49'36"N
Longitude: 120°9'40"W
Decimal Degree (lat, lon): 39.826666666667,-120.16111111111

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 C Cu Fe H Mo O S Si U 

Elements from minerals reported directly at this locality: Cu H O Si U 

Structural Groups for minerals in this locality: 
AllophaneChalcopyriteDiasporeFluoriteMalachiteMolybdeniteNonePyriteQuartz

12 IMA Minerals at location:
Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)Cuprosklodowskite  (*)Ferrimolybdite  (*)
Goethite  (*)Malachite  (*)Metazeunerite  (*)Molybdenite  (*)Pyrite  (*)
Quartz  (*)Uraninite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chalcocite  (*)NoneCu2S11679755707
Chalcopyrite  (*)ChalcopyriteCuFeS2116797527198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11679753531
Cuprosklodowskite  (*)NoneCu(UO2)2(SiO3OH)2·6H2O058
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O1167975345
Goethite  (*)DiasporeFeO(OH)11679757437
Malachite  (*)MalachiteCu2(CO3)(OH)2116797512537
Metazeunerite  (*)NoneCu(UO2)2(AsO4)2·8H2O2167975,167976182
Molybdenite  (*)MolybdeniteMoS211679755800
Pyrite  (*)PyriteFeS2116797539462
Quartz  (*)QuartzSiO22167975,16797761156
Uraninite  (*)FluoriteUO211679752718



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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