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:
Placerville District, Mother Lode Belt, El Dorado Co., California, USA


mindat Locality ID: 209647
mindat URL: http://www.mindat.org/loc-209647.html

Tectonic Settings:

Total number of sublocalities beneath "Placerville District, Mother Lode Belt, El Dorado Co., California, USA": 227
Total number of bottom-level sublocalities: 214

Number of Child Localities: 7
Child Localities:
Chili Bar
Diamond Springs
Five Mile Terrace
Motor City
Placerville (Hangtown)
Smithflat
Tiger Lily

Latitude: 38°43'44"N
Longitude: 120°46'6"W
Decimal Degree (lat, lon): 38.728888888889,-120.76833333333

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 As Au Bi C Ca Fe H K Mg Mo O Pb S Si Ti U V 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenopyriteBrookiteChloriteClayCopperDiamondMicaMolybdeniteNoneNot in a structural group
PyriteQuartzRocksaltTalc

17 IMA Minerals at location:
Anatase  (*)Ankerite  (*)Arsenopyrite  (*)Brookite  (*)Carnotite  (*)
Clinochlore  (*)Diamond  (*)Galena  (*)Gold  (*)Graphite  (*)
Maldonite  (*)Molybdenite  (*)Muscovite  (*)Pyrite  (*)Quartz  (*)
Silver  (*)Talc  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anatase  (*)Not in a structural groupTiO211549912162
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)211548553092
Arsenopyrite  (*)ArsenopyriteFeAsS11549569052
Brookite  (*)BrookiteTiO21154991700
Carnotite  (*)NoneK2(UO2)2(VO4)2·3H2O11549911184
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)811549561756
Diamond  (*)DiamondC3154895,155025,155027697
Galena  (*)RocksaltPbS2154922,15496624243
Gold  (*)CopperAu113154823,154827,154828,154829,154830,154833,154834,154835,154836,154839,154840,154841,154842,154843,154844,154847,154848,154849,154850,154851,154852,154853,154855,154856,154857,154860,154861,154863,154865,154866,154874,154877,154879,154888,154889,154890,154891,154892,154896,154898,154901,154902,154903,154904,154907,154910,154912,154915,154917,154921,154922,154924,154926,154927,154928,154930,154931,154932,154933,154934,154937,154939,154942,154943,154944,154945,154946,154948,154949,154950,154951,154953,154955,154956,154957,154959,154961,154962,154963,154965,154966,154969,154970,154974,154975,154980,154981,154985,154986,154987,154988,154990,154992,154994,154995,154996,154997,154998,155002,155009,155012,155015,155018,155024,155028,155029,155033,155036,155040,155041,155042,155043,15504530554
Graphite  (*)NoneC11549422812
Maldonite  (*)NoneAu2Bi115490388
Molybdenite  (*)MolybdeniteMoS211549565800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22154889,15495617380
Pyrite  (*)PyriteFeS24154922,154930,154956,15496939462
Quartz  (*)QuartzSiO268154823,154827,154828,154830,154833,154835,154836,154839,154840,154842,154843,154844,154848,154849,154850,154851,154852,154853,154856,154857,154860,154861,154865,154866,154877,154889,154890,154891,154898,154904,154910,154912,154915,154917,154921,154922,154924,154926,154927,154930,154931,154932,154933,154934,154937,154942,154943,154945,154946,154948,154949,154950,154953,154959,154961,154962,154965,154966,154969,154979,154991,155002,155015,155033,155040,155041,155042,15504361156
Silver  (*)CopperAg11549565186
Talc  (*)Clay TalcMg3Si4O10(OH)22154889,1549563337



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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