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:
Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA

Oldest recorded age at locality: 1653
Youngest recorded age at locality: 935

mindat Locality ID: 110604
mindat URL: http://www.mindat.org/loc-110604.html

Tectonic Settings:

Total number of sublocalities beneath "Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°56'8"N
Longitude: 105°20'30"W
Decimal Degree (lat, lon): 39.935555555556,-105.34166666667
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.

No IMA Minerals occur at this locality according to mindat
12 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
USGS-U-Th-Pb-02102_206_238141414141414206_238age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02102_207_206165316531653207_206age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02102_207_235151215121512207_235age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02103_206_238135313531353206_238age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02103_207_206164616461646207_206age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02103_207_235147114711471207_235age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02104_206_238117911791179206_238age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02104_207_206162916291629207_206age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02104_207_235134913491349207_235age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02105_206_238935935935206_238age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02105_207_206159115911591207_206age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-02105_207_235115411541154207_235age of intrusionzircon   Zircon  110604Walker Ranch, Boulder County Tungsten District, Boulder Co., Colorado, USA USGS-U-Th-Pb USGS-U-Th-Pb 

SampleSource LocalityReference URL

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