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:
Ashland District, Jackson Co., Oregon, USA

Oldest recorded age at locality: 1.8
Youngest recorded age at locality: 0

mindat Locality ID: 50168
mindat URL: http://www.mindat.org/loc-50168.html

Tectonic Settings:

Total number of sublocalities beneath "Ashland District, Jackson Co., Oregon, USA": 56
Total number of bottom-level sublocalities: 55

Number of Child Localities: 52
Child Localities:
Ashland Coal Occurrence
Ashland Granite Quarry (Blair)
Ashland Mine
Barron Mine (Alton)
Bear Creek Placers
Black Diamond Occurrence
Bratcher Mine
Bratcher No. 10 Occurrence
Briner Property
Buck Point Prospect
Burdic Group
Burris Prospect
Climax Gold Area Occurrence (Gypsum Occurrence)
Columbine Claim
Crackerjack Claim
Double Jack
Forty-Nine Diggings
Freeman Feldspar Occurrence
Freeway Tungsten Occurrence
Gold Bug
Gold Cycle Occurrence
Gold Prospect (MRDS - 10042897)
Golden Butte Occurrence
Good Friday Mine
H. P. Antimony Occurrence
Hall Prospect
Hill Prospect
Humdinger Mine
Junction Claims (Junction Mine; Four Corners)
Lamb Mine (Bula Mine)
Little Moon Occurrence
Mark I Group
Mattern Tungsten Deposit
Meridian Prospect (Phillips Property)
Mt. Pitt View
Patrick Manganese Occurrence
Peters Manganese Claim
Pilgrim Claim
Queen Mary Mine
Red Gold Occurrence
Reeder Mine
Ruby Mines
Schnack Brothers 1 & 2 Occurrence
Seven L. Moly Prospect
Shorty Hope Mine
Silver Occurrence (MRDS - 10176600)
Skyline Mine (Cleveland)
Snapshot Claim (Cleveland)
Taylor Occurrence
Unknown Placer Mine
Unnamed Placer (MRDS - 10249778)
Van Curler

Latitude: 42°8'41"N
Longitude: 122°43'13"W
Decimal Degree (lat, lon): 42.144722222222,-122.72027777778

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 Ba C Ca Ce Cu Fe H Hg K Mg Mn Mo Nb O Pb S Sb Si Ta Th Ti U W Y Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousAragoniteArsenopyriteBaryteCalciteChalcopyriteClayClinozoisiteColumbiteCopper
EpidoteGypsumMalachiteMarcasiteMicaMolybdeniteNickelineNonePyritePyroxene
QuartzRhodoniteRocksaltRutileScheeliteSphaleriteStibniteWollastonite

32 IMA Minerals at location:
Aragonite  (*)Arsenopyrite  (*)Baryte  (*)Bornite  (*)Calcite  (*)
Chalcopyrite  (*)Cinnabar  (*)Diopside  (*)Epidote  (*)Euxenite-(Y)  (*)
Galena  (*)Gold  (*)Gypsum  (*)Malachite  (*)Manganite  (*)
Marcasite  (*)Molybdenite  (*)Muscovite  (*)Opal  (*)Pyrite  (*)
Pyrolusite  (*)Pyrrhotite  (*)Quartz  (*)Realgar  (*)Rhodonite  (*)
Scheelite  (*)Siderite  (*)Silver  (*)Sphalerite  (*)Stibnite  (*)
Wollastonite  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aragonite  (*)AragoniteCa(CO3)12586633250
Arsenopyrite  (*)ArsenopyriteFeAsS12586509052
Baryte  (*)BaryteBa(SO4)125865011547
Bornite  (*)NoneCu5FeS412586655516
Calcite  (*)CalciteCa(CO3)12258650,258653,258656,258660,258661,258663,258665,258667,258683,258684,258691,25869327770
Chalcopyrite  (*)ChalcopyriteCuFeS210258649,258650,258656,258659,258662,258664,258665,258666,258693,25869527198
Cinnabar  (*)NoneHgS2258667,2586842600
Diopside  (*)PyroxeneCaMgSi2O612586534135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)3258653,258676,2586838173
Euxenite-(Y)  (*)ColumbiteY(NbTi)O61258682414
Galena  (*)RocksaltPbS5258649,258650,258666,258693,25869524243
Gold  (*)CopperAu12258649,258650,258651,258661,258667,258672,258674,258678,258680,258688,258693,25870030554
Gypsum  (*)GypsumCa(SO4)·2H2O3258650,258656,2586636890
Malachite  (*)MalachiteCu2(CO3)(OH)2125865012537
Manganite  (*)RutileMn3+O(OH)1258687770
Marcasite  (*)MarcasiteFeS212586645674
Molybdenite  (*)MolybdeniteMoS24258649,258654,258693,2586945800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)24258649,258650,258680,25868817380
Opal  (*)AmorphousSiO2·nH2O2258663,2586842994
Pyrite  (*)PyriteFeS217258649,258650,258654,258656,258659,258662,258663,258664,258665,258666,258679,258680,258683,258691,258693,258695,25870239462
Pyrolusite  (*)RutileMnO23258661,258664,2586873106
Pyrrhotite  (*)NickelineFe7S82258649,2586989056
Quartz  (*)QuartzSiO221258649,258653,258654,258656,258659,258660,258662,258663,258665,258667,258674,258676,258679,258680,258683,258684,258688,258691,258693,258698,25869961156
Realgar  (*)NoneAsS1258650712
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)3258662,258687,258699969
Scheelite  (*)ScheeliteCa(WO4)4258653,258669,258676,2586834894
Siderite  (*)CalciteFe(CO3)2258667,2586886417
Silver  (*)CopperAg12586505186
Sphalerite  (*)SphaleriteZnS125865021482
Stibnite  (*)StibniteSb2S32258650,2586553418
Wollastonite  (*)WollastoniteCaSiO312586531247
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)12586651025



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
NAVDAT-341201.800.9±0.9   34120    149353H. P. Antimony Occurrence, Ashland District, Jackson Co., Oregon, USA NAVDAT NAVDAT 
NAVDAT-341241.800.9±0.9   34124    150849Patrick Manganese Occurrence, Ashland District, Jackson Co., Oregon, USA NAVDAT NAVDAT 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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