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:
Copper Butte, Klamath Mts, Siskiyou Co., California, USA

Oldest recorded age at locality: 200
Youngest recorded age at locality: 145

mindat Locality ID: 231920
mindat URL: http://www.mindat.org/loc-231920.html

Tectonic Settings:

Total number of sublocalities beneath "Copper Butte, Klamath Mts, Siskiyou Co., California, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Barton Occurrence (Hetchell)
Cook And Green Prospect
Molly B Claim Group
Murry Claims
Seiad Creek Mine (No. 14 Mine; Northern Klamath Mountains Mine; Red Hills Mine; Reddy No. 2 Mine; Teddy Chrome Mine; Valley View; Mountain View)

Latitude: 41°55'35"N
Longitude: 123°6'33"W
Decimal Degree (lat, lon): 41.926388888889,-123.10916666667

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: C Ca Cr Fe H Mg O Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleCalciteClayGarnetNoneSpinelTalc

6 IMA Minerals at location:
Anthophyllite  (*)Magnesiochromite  (*)Magnesite  (*)Talc  (*)Tremolite  (*)
Uvarovite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)22002001178726718
Magnesiochromite  (*)SpinelMgCr2O42002001178726311
Magnesite  (*)CalciteMg(CO3)20020011787261487
Talc  (*)Clay TalcMg3Si4O10(OH)220020011787263337
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)220020011787262562
Uvarovite  (*)GarnetCa3Cr2(SiO4)32002001178726212



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


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
podchrome-00288200200Triassic-Jurassic (225-180 Ma)       Cr95164Seiad Creek Mine (No. 14 Mine; Northern Klamath Mountains Mine; Red Hills Mine; Reddy No. 2 Mine; Teddy Chrome Mine; Valley View; Mountain View), Copper Butte, Klamath Mts, Siskiyou Co., California, USASeiad CreekMoiser et al. (2012) USGSSIR2012_5157 
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


All locality data graciously provided by mindat.org

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