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:
Sutter Mill Bar And River (Old Sutter Mill Site), Coloma, Coloma District, West Belt, El Dorado Co., California, USA


mindat Locality ID: 275112
mindat URL: http://www.mindat.org/loc-275112.html

Tectonic Settings:

Total number of sublocalities beneath "Sutter Mill Bar And River (Old Sutter Mill Site), Coloma, Coloma District, West Belt, El Dorado Co., California, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Big Red Ravine
Sutter's Mill Meteorite
Unnamed Placer Au Mine [8] (dredge Tailings)

Latitude: 38°48'19"N
Longitude: 120°54'16"W
Decimal Degree (lat, lon): 38.805277777778,-120.90444444444
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 C Ca Cr Fe H K Mg Ni O P S Si V Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CalciteClayCopperCorundumMicaNickelineNoneOlivinePentlanditePyroxene
RocksaltSerpentineSphaleriteSpinelTochilinite

20 IMA Minerals at location:
Calcite  (*)Chromite  (*)Corundum  (*)Cronstedtite  (*)Diopside  (*)
Dolomite  (*)Enstatite  (*)Forsterite  (*)Gold  (*)Hedenbergite  (*)
Magnetite  (*)Oldhamite  (*)Pentlandite  (*)Pyrrhotite  (*)Roscoelite  (*)
Schreibersite  (*)Sphalerite  (*)Spinel  (*)Tochilinite  (*)Troilite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)115530927770
Chromite  (*)SpinelFe2+Cr2O411553093902
Corundum  (*)CorundumAl2O311553091797
Cronstedtite  (*)Clay Serpentine(Fe2+,Fe3+)3(Si,Fe3+)2O5(OH)4115530954
Diopside  (*)PyroxeneCaMgSi2O611553094135
Dolomite  (*)NoneCaMg(CO3)211553099895
Enstatite  (*)PyroxeneMg2Si2O61155309944
Forsterite  (*)OlivineMg2(SiO4)11553091188
Gold  (*)CopperAu2155308,15531030554
Hedenbergite  (*)PyroxeneCaFe2+Si2O61155309741
Magnetite  (*)SpinelFe2+Fe3+2O4115530914899
Oldhamite  (*)RocksaltCaS115530958
Pentlandite  (*)Pentlandite(Ni,Fe)9S811553091512
Pyrrhotite  (*)NickelineFe7S811553099056
Roscoelite  (*)MicaKV3+2(Si3Al)O10(OH)21155308253
Schreibersite  (*)None(Fe,Ni)3P1155309374
Sphalerite  (*)SphaleriteZnS115530921482
Spinel  (*)SpinelMgAl2O411553091934
Tochilinite  (*)Tochilinite6(Fe0.9S)·5[(Mg,Fe)(OH)2]115530956
Troilite  (*)NoneFeS11553091044


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...