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:
Railroad Creek District, Chelan Co., Washington, USA

Oldest recorded age at locality: 220
Youngest recorded age at locality: 16

mindat Locality ID: 24109
mindat URL: http://www.mindat.org/loc-24109.html

Tectonic Settings:

Total number of sublocalities beneath "Railroad Creek District, Chelan Co., Washington, USA": 11
Total number of bottom-level sublocalities: 8

Number of Child Localities: 3
Child Localities:
Holden Village
Railroad Creek
Wilson Creek

Latitude: 48°11'55"N
Longitude: 120°48'21"W
Decimal Degree (lat, lon): 48.198611111111,-120.80583333333
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 C Ca Cu Fe H K Mg Mo Na O Pb S Sb Si W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleArsenopyriteBournoniteCalciteChalcopyriteClayCopperGypsumMalachiteMica
MolybdeniteNickelineNoneNot in a structural groupPyritePyroxeneQuartzRocksaltScheeliteSphalerite
SpinelWollastonite

26 IMA Minerals at location:
Anhydrite  (*)Arsenopyrite  (*)Bournonite  (*)Calcite  (*)Chalcocite  (*)
Chalcopyrite  (*)Copper  (*)Diopside  (*)Edenite  (*)Galena  (*)
Gold  (*)Gypsum  (*)Kyanite  (*)Magnetite  (*)Malachite  (*)
Molybdenite  (*)Molybdite  (*)Muscovite  (*)Phlogopite  (*)Pyrargyrite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Scheelite  (*)Sphalerite  (*)
Wollastonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anhydrite  (*)Not in a structural groupCa(SO4)22022012837651588
Arsenopyrite  (*)ArsenopyriteFeAsS22022012837659052
Bournonite  (*)BournoniteCuPbSbS322022012837651089
Calcite  (*)CalciteCa(CO3)220220128376527770
Chalcocite  (*)NoneCu2S22022012837655707
Chalcopyrite  (*)ChalcopyriteCuFeS2220162283763,28376527198
Copper  (*)CopperCu22022012837653846
Diopside  (*)PyroxeneCaMgSi2O622022012837654135
Edenite  (*)AmphiboleNaCa2Mg5(Si7Al)O22(OH)22202201283765160
Galena  (*)RocksaltPbS220162283763,28376524243
Gold  (*)CopperAu220162283765,28376730554
Gypsum  (*)GypsumCa(SO4)·2H2O22022012837656890
Kyanite  (*)Not in a structural groupAl2OSiO42201612837621507
Magnetite  (*)SpinelFe2+Fe3+2O4220220128376514899
Malachite  (*)MalachiteCu2(CO3)(OH)2220220128376512537
Molybdenite  (*)MolybdeniteMoS2220162283763,2837655800
Molybdite  (*)NoneMoO323161283763140
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2220220128376517380
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)222022012837652273
Pyrargyrite  (*)NoneAg3SbS32283770,2837711425
Pyrite  (*)PyriteFeS2220164283763,283765,283770,28377139462
Pyrrhotite  (*)NickelineFe7S822022012837659056
Quartz  (*)QuartzSiO2220164283763,283765,283768,28377161156
Scheelite  (*)ScheeliteCa(WO4)22022012837654894
Sphalerite  (*)SphaleriteZnS220162283763,28376521482
Wollastonite  (*)WollastoniteCaSiO322022012837651247


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-001162316 ?-?     Molybdenite, MolybditeMo8887Crown Point Mine (Aurelia Crown Mine; Crown Power Mine), Railroad Creek, Railroad Creek District, Chelan Co., Washington, USACrown Point MineDerkey et al. (1990) WDGER_OFR_90-18 
vms-01079220220Upper Triassic       S15531Holden Mine (Howe Sound Mine; Irene Mine), Holden Village, Railroad Creek, Railroad Creek District, Chelan Co., Washington, USAHoldenMoiser et al. (2009) USGSOFR2009_1034 

SampleSource LocalityReference URL
R060124Crown Point Mine (Aurelia Crown Mine; Crown Power Mine), Railroad Creek, Railroad Creek District, Chelan Co., Washington, USAhttps://rruff.info/R060124

All locality data graciously provided by mindat.org

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