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:
Cougar Butte, Cascade Range, Siskiyou Co., California, USA

Oldest recorded age at locality: 0.549
Youngest recorded age at locality: 0.029

mindat Locality ID: 215047
mindat URL: http://www.mindat.org/loc-215047.html

Tectonic Settings:

Total number of sublocalities beneath "Cougar Butte, Cascade Range, Siskiyou Co., California, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Cougar Butte Occurrence (Canyon Butte; Couger Butte)
Unnamed Obsidian Occurrence [1]

Latitude: 41°39'19"N
Longitude: 121°28'6"W
Decimal Degree (lat, lon): 41.655277777778,-121.46833333333

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: Fe O Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CristobaliteNoneOlivine

2 IMA Minerals at location:
Cristobalite  (*)Fayalite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Cristobalite  (*)CristobaliteSiO20.5490.0292178043,178044453
Fayalite  (*)OlivineFe2+2(SiO4)0.5490.0292178043,178044371



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-531070.5490.0290.29+0.259/-0.261   53107    93997Cougar Butte Occurrence (Canyon Butte; Couger Butte), Cougar Butte, Cascade Range, Siskiyou Co., California, USA NAVDAT NAVDAT 
NAVDAT-528930.5490.0290.29+0.259/-0.261   52893    215048Unnamed Obsidian Occurrence [1], Cougar Butte, Cascade Range, Siskiyou Co., California, USA NAVDAT NAVDAT 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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