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:
Yoakumville, Klamath Mts, Siskiyou Co., California, USA

Oldest recorded age at locality: 167
Youngest recorded age at locality: 145

mindat Locality ID: 231824
mindat URL: http://www.mindat.org/loc-231824.html

Tectonic Settings:

Total number of sublocalities beneath "Yoakumville, Klamath Mts, Siskiyou Co., California, USA": 24
Total number of bottom-level sublocalities: 24

Number of Child Localities: 24
Child Localities:
Ailene Placer Mine
Cannon Mine
Cash Hydraulic Mine
Deerlick Mine
Eureka & W.J.D. Prospects (Firebug)
Godfrey Mine
Graham Gulch Placer Mine
Groutt Placer
Indian Burr Placer (Ayles And Dunn Mine)
Indian Ledge Mine
Last Chance Mine (Gratton Mine)
Leona Placer Mine
Matthews Placer (Mathews Placer)
Niggerhill Hydraulic Mine (Negro Hill Mine; Nigger Hill Mine)
Orcutt Hydraulic Mine
Starveout Mine
Tryer Mine
Unnamed Au Mine (18)
Unnamed Au Occurrence (163)
Unnamed Au Occurrences (50)
Volunteer Occurrence (Indian Queen)
Wanda Group
Wangood Lord Claims
Wann Placer

Latitude: 41°13'16"N
Longitude: 123°14'38"W
Decimal Degree (lat, lon): 41.221111111111,-123.24388888889

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: Au Ca Ir O Pt Si W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CopperNoneQuartzScheelite

5 IMA Minerals at location:
Gold  (*)Iridium  (*)Platinum  (*)Quartz  (*)Scheelite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Gold  (*)CopperAu16714513180074,180076,180077,180078,180080,180081,180082,180085,180086,180087,180088,180095,18009730554
Iridium  (*)CopperIr1671451180087162
Platinum  (*)CopperPt1671452180087,180088485
Quartz  (*)QuartzSiO21671452180078,18009561156
Scheelite  (*)ScheeliteCa(WO4)16714511800964894



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Kristen002448Nevadan Orogeny includes the Kalamath Mountains


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
Kristen002448167145Middle to Early Jurassic     Yes  4064Josephine Creek Placers, Josephine Creek District, Josephine Co., Oregon, USANevadan Orogeny, Josephine Creek placersLanphere et al. (1968)10.1130/0016-7606(1968)79[1027:IAOTNO]2.0.CO;2GSAB79_1027 


SampleSource LocalityReference URL


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