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:
Campo Seco District, Foothill Copper Belt, Calaveras Co., California, USA

Oldest recorded age at locality: 170
Youngest recorded age at locality: 100

mindat Locality ID: 212376
mindat URL: http://www.mindat.org/loc-212376.html

Tectonic Settings:

Total number of sublocalities beneath "Campo Seco District, Foothill Copper Belt, Calaveras Co., California, USA": 33
Total number of bottom-level sublocalities: 31

Number of Child Localities: 1
Child Localities:
Campo Seco

Latitude: 38°13'8"N
Longitude: 120°51'9"W
Decimal Degree (lat, lon): 38.218888888889,-120.8525
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 Cr Cu Fe H K Na O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAluniteBaryteCalciteChalcopyriteClayCopperCovelliteFeldsparGypsum
KaoliniteMalachiteMelanteriteMicaNoneNot in a structural groupOlivinePhenakitePyriteQuartz
RocksaltSphaleriteSpinelTetrahedrite

29 IMA Minerals at location:
Albite  (*)Azurite  (*)Baryte  (*)Boothite  (*)Bornite  (*)
Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Chromite  (*)Chrysocolla  (*)
Copper  (*)Covellite  (*)Fayalite  (*)Galena  (*)Gold  (*)
Graphite  (*)Gypsum  (*)Jarosite  (*)Kaolinite  (*)Malachite  (*)
Muscovite  (*)Pyrite  (*)Quartz  (*)Siderite  (*)Silver  (*)
Sphalerite  (*)Tenorite  (*)Tetrahedrite-(Zn)  (*)Willemite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)17017011527388803
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)217017011527615509
Baryte  (*)BaryteBa(SO4)170170115276111547
Boothite  (*)MelanteriteCu(SO4)·7H2O1701702152738,15276118
Bornite  (*)NoneCu5FeS417017011527615516
Calcite  (*)CalciteCa(CO3)1701002152753,15276127770
Chalcocite  (*)NoneCu2S17017011527615707
Chalcopyrite  (*)ChalcopyriteCuFeS21701004152740,152751,152753,15276127198
Chromite  (*)SpinelFe2+Cr2O417017011527383902
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O17017011527613531
Copper  (*)CopperCu1701002152743,1527613846
Covellite  (*)CovelliteCuS17017011527614165
Fayalite  (*)OlivineFe2+2(SiO4)1001001152762371
Galena  (*)RocksaltPbS1701002152751,15276124243
Gold  (*)CopperAu17010018152738,152739,152741,152742,152743,152744,152747,152748,152749,152750,152753,152755,152760,152761,152766,152767,152768,15276930554
Graphite  (*)NoneC1001003152738,152741,1527502812
Gypsum  (*)GypsumCa(SO4)·2H2O17017011527616890
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)617017011527612228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)417017011527615591
Malachite  (*)MalachiteCu2(CO3)(OH)2170170115276112537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2170170115276117380
Pyrite  (*)PyriteFeS21701004152740,152743,152751,15276139462
Quartz  (*)QuartzSiO217010012152741,152742,152744,152747,152748,152750,152751,152753,152755,152760,152761,15276761156
Siderite  (*)CalciteFe(CO3)17017011527386417
Silver  (*)CopperAg1001002152743,1527575186
Sphalerite  (*)SphaleriteZnS1701002152751,15276121482
Tenorite  (*)NoneCuO17017011527381101
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1317017011527615317
Willemite  (*)PhenakiteZn2SiO41001001152762303


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
Mo-00156100100      YesMolybdeniteMo16293Calaveras Co., California, USACalaveras CountyBrock (1972)10.1130/0016-7606(1972)83[3391:GOGHSC]2.0.CO;2GSAB83_3391 
vms-01039170170Jurassic       S9552Penn Mine (Happy Jack; West Constellation; Satellite; Big Satellite; Hinkcley; Blue Jay; Meteor; Hecla; Little Satellite; Copper Hill; Penn Chemical Works; Campo Seco), Campo Seco, Campo Seco District, Foothill Copper Belt, Calaveras Co., California, USAPennMoiser et al. (2009) USGSOFR2009_1034 

SampleSource LocalityReference URL

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