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:
Greenhorn District, Baker Co., Oregon, USA


mindat Locality ID: 49792
mindat URL: http://www.mindat.org/loc-49792.html

Tectonic Settings:

Total number of sublocalities beneath "Greenhorn District, Baker Co., Oregon, USA": 30
Total number of bottom-level sublocalities: 29

Number of Child Localities: 29
Child Localities:
August Mine
Banner Occurrence
Banzette Occurrence
Big Serpentine Dyke
Bonanza Mine
Diadem Prospect
Dodo Occurrence
Don Juan
Dry Creek Manganese (Black Cap Group; Ranes Prospect)
Golden Boy Occurrence
Golden Eagle
Greenhorn Placers
Greenhorn Placers (McNamee Gulch; Maud Placer; Geiser Creek; Schaub Placer; Camp Creek; 3 Cent Gulch; Parkerville; Winterville)
Hindman Placer
Jay Gould Group
Listen Lake Mine (Copper Sentinel Claim; Gold Bullion; Copper Dike Claim; Iron Dyke Claim; Homestead; McNamee Placers; Copper Butte Claim)
McNamee Gulch Placers
Morning Glory Mine
Morning Mine
Muscatine Mine
Paramount (Golden Fleece Group)
Parkerville Gulch Placers
Phoenix
Resolute
Richardson Claims
Roberts Mine
Snow Creek Mine (Zelda Mining Company)
Whitney Placers (Sunshine Mining Company; Timms Gold Dredging Company)
Winterville Gulch Placers

Latitude: 44°41'50"N
Longitude: 118°27'3"W
Decimal Degree (lat, lon): 44.697222222222,-118.45083333333
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 Mg Mn O Pb Pt S Si Ti Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ChalcopyriteClayClinozoisiteCopperCorundumCovelliteEpidoteNickelineNonePyrite
QuartzRocksaltRutileSphaleriteSpinelTalcZircon

18 IMA Minerals at location:
Bornite  (*)Chalcopyrite  (*)Covellite  (*)Dolomite  (*)Epidote  (*)
Galena  (*)Gold  (*)Ilmenite  (*)Magnetite  (*)Manganite  (*)
Platinum  (*)Pyrite  (*)Pyrolusite  (*)Pyrrhotite  (*)Quartz  (*)
Sphalerite  (*)Talc  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Bornite  (*)NoneCu5FeS412553265516
Chalcopyrite  (*)ChalcopyriteCuFeS28255301,255303,255305,255306,255309,255315,255322,25532627198
Covellite  (*)CovelliteCuS12553264165
Dolomite  (*)NoneCaMg(CO3)22255306,2553099895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)12553138173
Galena  (*)RocksaltPbS4255301,255306,255309,25532624243
Gold  (*)CopperAu5255303,255313,255316,255321,25532830554
Ilmenite  (*)CorundumFe2+Ti4+O312553135433
Magnetite  (*)SpinelFe2+Fe3+2O4125531314899
Manganite  (*)RutileMn3+O(OH)1255307770
Platinum  (*)CopperPt1255313485
Pyrite  (*)PyriteFeS26255299,255301,255303,255306,255315,25532639462
Pyrolusite  (*)RutileMnO212553073106
Pyrrhotite  (*)NickelineFe7S812553269056
Quartz  (*)QuartzSiO27255301,255303,255305,255306,255309,255322,25532661156
Sphalerite  (*)SphaleriteZnS2255301,25532621482
Talc  (*)Clay TalcMg3Si4O10(OH)212553063337
Zircon  (*)ZirconZr(SiO4)12553135251


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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