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:
Yreka, Siskiyou Co., California, USA


mindat Locality ID: 217439
mindat URL: http://www.mindat.org/loc-217439.html

Tectonic Settings:

Total number of sublocalities beneath "Yreka, Siskiyou Co., California, USA": 30
Total number of bottom-level sublocalities: 28

Number of Child Localities: 19
Child Localities:
Blue Gravel Placer (Black Lead Placer)
Butcher Hill Occurrence (Shebley)
Collateral Mine
Cottonwood-Fort Jones-Yreka
Darling Ledge Mine
El Oro Dredge Mine
El Oro No. 3 Dredge Mine
Greenhorn Reservoir
Jeff Gatewood Property
King Solomon Mine
Mint Mine
Morning Star & Sunset No. 2 Placer Mine
Oberlin Hill Mine
Osgood Mine (Lucky Strike Mine)
Ottrelite Schist Occurrence
Southeast Of Yreka
Unnamed Au Occurrence [157]
Unnamed Cr Occurrence [21]
Whiskey Lakes Ranch Quarry

Latitude: 41°43'42"N
Longitude: 122°39'15"W
Decimal Degree (lat, lon): 41.728333333333,-122.65416666667
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 Ca Cr Fe H Mg Mn O Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ChloriteChloritoidClayClinozoisiteCopperEpidoteGarnetNonePyroxeneQuartz
Spinel

8 IMA Minerals at location:
Chromite  (*)Clinochlore  (*)Diopside  (*)Epidote  (*)Gold  (*)
Ottrélite  (*)Quartz  (*)Uvarovite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chromite  (*)SpinelFe2+Cr2O42180124,1801363902
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)82180149,1801511756
Diopside  (*)PyroxeneCaMgSi2O611801514135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11801428173
Gold  (*)CopperAu10180125,180128,180129,180131,180133,180134,180135,180137,180143,18014430554
Ottrélite  (*)ChloritoidMn2+Al2O(SiO4)(OH)2118014759
Quartz  (*)QuartzSiO2118014361156
Uvarovite  (*)GarnetCa3Cr2(SiO4)31180149212


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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