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:
Union Co., Oregon, USA

Oldest recorded age at locality: 128
Youngest recorded age at locality: 5.3

mindat Locality ID: 50197
mindat URL: http://www.mindat.org/loc-50197.html

Tectonic Settings:

Total number of sublocalities beneath "Union Co., Oregon, USA": 100
Total number of bottom-level sublocalities: 94

Number of Child Localities: 69
Child Localities:
Afterthought Claim
Andes Prairie Quarry
Antler Pit No. 1
Baker Rock Products Pit
Bone Ridge Placer
Boulder Creek Placer
Camp Carson District
China Diggings Occurrence
Copper King Occurrence
Dry Beaver Pit
Elgin Pit
Elgin Rock Production
Gold Prospect (MRDS - 10032893)
Gold Prospect (MRDS - 10036696)
Hay Creek Rock Production
Indian Creek District
Jim White Ridge Placer
La Grande Occurrence
Ladd Canyon Pit
Ladd Canyon Site
Leclead Prospect
Lough Pit
Medical Springs District
Miller Pit
MP 22.8 Weston/Elgin
MP 258 Old Oregon Trail
MP 28.51 Wallowa Lake Highway
MP 30.1 Wallowa Lake Highway
Mt. Emily Quarry
Philips Creek Pit
Quarry (MRDS - 10032947)
Quarry (MRDS - 10054445)
Rock Creek District
Shaw Mountain Pit
Telocaset Diatomite Occurrence
Unnamed Gold Prospect (MRDS - 10128773)
Unnamed Gold Prospect (MRDS - 10128779)
Unnamed Gold Prospect (MRDS - 10153213)
Unnamed Gold Prospect (MRDS - 10215371)
Unnamed Gold Prospect (MRDS - 10225606)
Unnamed Gold Prospect (MRDS - 10274678)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10128957)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10153133)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10153335)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10153443)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10177452)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10201545)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10201573)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10201640)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10201855)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10208423)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10225220)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10250207)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10250212)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10250889)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10274766)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10275013)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10275041)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10275159)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10275256)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10275314)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10299505)
Unnamed Stone - Crushed/Broken Pit (MRDS - 10305785)
Upper Eagle Creek
Uranium Occurrence (MRDS - 10032962)
Uranium Occurrence (MRDS - 10036991)
Wallowa Range District
West Quarry
Worthing Prospect

Latitude: 45°18'47"N
Longitude: 117°56'40"W
Decimal Degree (lat, lon): 45.313055555556,-117.94444444444
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 Cu Fe H Mo O Pb S Sb Si W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneChalcopyriteCopperGypsumMalachiteMolybdeniteNickelineNoneNot in a structural groupPyrite
QuartzRocksaltScheeliteSphaleriteSpinelStibnite

16 IMA Minerals at location:
Bornite  (*)Chalcopyrite  (*)Chrysocolla  (*)Cuprite  (*)Galena  (*)
Gold  (*)Gypsum  (*)Magnetite  (*)Malachite  (*)Molybdenite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Scheelite  (*)Sphalerite  (*)
Stibnite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Bornite  (*)NoneCu5FeS43261955,261959,2619655516
Chalcopyrite  (*)ChalcopyriteCuFeS28261892,261908,261910,261954,261955,261959,261965,26196827198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O12618923531
Cuprite  (*)Not in a structural groupCu2O12619592970
Galena  (*)RocksaltPbS126195424243
Gold  (*)CopperAu126189730554
Gypsum  (*)GypsumCa(SO4)·2H2O12619086890
Magnetite  (*)SpinelFe2+Fe3+2O4126195414899
Malachite  (*)MalachiteCu2(CO3)(OH)24261892,261954,261959,26196512537
Molybdenite  (*)MolybdeniteMoS25261954,261955,261959,261960,2619615800
Pyrite  (*)PyriteFeS25261910,261961,261962,261963,26196839462
Pyrrhotite  (*)NickelineFe7S812619089056
Quartz  (*)QuartzSiO29261897,261908,261910,261954,261955,261959,261962,261963,26196561156
Scheelite  (*)ScheeliteCa(WO4)12619604894
Sphalerite  (*)SphaleriteZnS126188321482
Stibnite  (*)StibniteSb2S312619223418


27 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
NAVDAT-6615233.723.828.75±4.95   66152    150029Lone Star (Stumpy), Camp Carson District, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-6615623.85.314.55±9.25   66156    152529Unnamed Gold Prospect (MRDS - 10298973), Camp Carson District, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4868623.85.314.55±9.25   48686    149431Hay Creek Rock Production, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4868723.85.314.55±9.25   48687    149431Hay Creek Rock Production, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870023.85.314.55±9.25   48700    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870123.85.314.55±9.25   48701    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870223.85.314.55±9.25   48702    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870323.85.314.55±9.25   48703    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870423.85.314.55±9.25   48704    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870523.85.314.55±9.25   48705    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870623.85.314.55±9.25   48706    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870723.85.314.55±9.25   48707    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870823.85.314.55±9.25   48708    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4870923.85.314.55±9.25   48709    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4871023.85.314.55±9.25   48710    150364Miller Pit, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4867523.85.314.55±9.25   48675    150482MP 258 Old Oregon Trail, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4867623.85.314.55±9.25   48676    150482MP 258 Old Oregon Trail, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4867723.85.314.55±9.25   48677    150482MP 258 Old Oregon Trail, Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-6606823.85.314.55±9.25   66068    152456Unnamed Gold Prospect (MRDS - 10215371), Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-6607723.85.314.55±9.25   66077    152456Unnamed Gold Prospect (MRDS - 10215371), Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-6588423.85.314.55±9.25   65884    152768Unnamed Stone - Crushed/Broken Pit (MRDS - 10201640), Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-6596523.85.314.55±9.25   65965    152872Unnamed Stone - Crushed/Broken Pit (MRDS - 10250212), Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4871223.85.314.55±9.25   48712    152933Unnamed Stone - Crushed/Broken Pit (MRDS - 10275314), Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-4871323.85.314.55±9.25   48713    152933Unnamed Stone - Crushed/Broken Pit (MRDS - 10275314), Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-6586823.85.314.55±9.25   65868    152987Unnamed Stone - Crushed/Broken Pit (MRDS - 10305785), Union Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-6586923.85.314.55±9.25   65869    152987Unnamed Stone - Crushed/Broken Pit (MRDS - 10305785), Union Co., Oregon, USA NAVDAT NAVDAT 
USGS-Rb-Sr-0364412894111±17Rb-Srage not evaluatedwhole rock     152262Unknown Copper - Uranium Occurrence (MRDS - 10036988), Wallowa Range District, Union Co., Oregon, USA USGS-Rb-Sr USGS-Rb-Sr 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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