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:
Red Ledge Mine, Washington, Washington District (Omega District), Nevada Co., California, USA

Oldest recorded age at locality: 388
Youngest recorded age at locality: 388

mindat Locality ID: 3515
mindat URL: http://www.mindat.org/loc-3515.html

Tectonic Settings: Oceanic Arc (Subduction)

Total number of sublocalities beneath "Red Ledge Mine, Washington, Washington District (Omega District), Nevada Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°20'39"N
Longitude: 120°48'3"W
Decimal Degree (lat, lon): 39.344166666667,-120.80083333333
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 Ba C Ca Cr Cu Fe H K Mg O Pb S Sb Si Ti 

Elements from minerals reported directly at this locality: Al As Au Ba C Ca Cr Cu Fe H K Mg O Pb S Sb Si Ti 

Structural Groups for minerals in this locality: 
ArsenopyriteCalciteChloriteClayCopperCoronaditeGarnetMicaNonePyrite
QuartzRocksaltRutileSpinelStibniteTalc

18 IMA Minerals at location:
Ankerite  (*)Arsenopyrite  (*)Calcite  (*)Chromite  (*)Clinochlore  (*)
Copper  (*)Galena  (*)Gold  (*)Knorringite  (*)Magnesiochromite  (*)
Muscovite  (*)Pyrite  (*)Quartz  (*)Redledgeite  (*)Rutile  (*)
Stibnite  (*)Talc  (*)Uvarovite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)238838803092
Arsenopyrite  (*)ArsenopyriteFeAsS38838809052
Calcite  (*)CalciteCa(CO3)388388027770
Chromite  (*)SpinelFe2+Cr2O438838803902
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)838838801756
Copper  (*)CopperCu38838803846
Galena  (*)RocksaltPbS388388024243
Gold  (*)CopperAu388388030554
Knorringite  (*)GarnetMg3Cr2(SiO4)338838804
Magnesiochromite  (*)SpinelMgCr2O43883880311
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2388388017380
Pyrite  (*)PyriteFeS2388388039462
Quartz  (*)QuartzSiO2388388061156
Redledgeite  (*)CoronaditeBa(Ti6Cr3+2)O1638838804
Rutile  (*)RutileTiO238838805614
Stibnite  (*)StibniteSb2S338838803418
Talc  (*)Clay TalcMg3Si4O10(OH)238838803337
Uvarovite  (*)GarnetCa3Cr2(SiO4)33883880212


1 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
podchrome-00165388388pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)       Cr3515Red Ledge Mine, Washington, Washington District (Omega District), Nevada Co., California, USARed LedgeMoiser et al. (2012) USGSSIR2012_5157 

SampleSource LocalityReference URL
R070714Red Ledge Mine, Washington, Washington District (Omega District), Nevada Co., California, USAhttps://rruff.info/R070714

All locality data graciously provided by mindat.org

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