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:
Lower Clear Creek Area, Jefferson Co., Colorado, USA


mindat Locality ID: 257722
mindat URL: http://www.mindat.org/loc-257722.html

Tectonic Settings:

Total number of sublocalities beneath "Lower Clear Creek Area, Jefferson Co., Colorado, USA": 22
Total number of bottom-level sublocalities: 22

Number of Child Localities: 22
Child Localities:
Appel Lease
Bertrand Quarry
Clear Creek
Coon Gulch Clay Pits
Doughty Pit
Dry Creek Pit
Golden Quarry
Green Mountain Clay Pit
H. M. Rubey Clay Company Mine
Landsay Pit
Linda 1 & 2 Mine
North Golden Pit
North Rock Quarry
Parfet Clay Pits
Rockwell
Shepherd Mine
Tincup Mine
Unknown Clay Occurrence (MRDS - 10016136)
Unknown Clay Occurrence (MRDS - 10016694)
Unknown Clay Occurrence (MRDS - 10016980)
Unnamed Placer (MRDS - 10013742)
Unnamed Placers (MRDS - 10013743)

Latitude: 39°44'33"N
Longitude: 105°13'50"W
Decimal Degree (lat, lon): 39.7425,-105.23055555556

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 C Ca Cu Fe H O P S U 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CalciteCopperCorundumGypsumNone

5 IMA Minerals at location:
Calcite  (*)Gold  (*)Gypsum  (*)Hematite  (*)Torbernite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)119074327770
Gold  (*)CopperAu2190757,19075830554
Gypsum  (*)GypsumCa(SO4)·2H2O11907406890
Hematite  (*)CorundumFe2O3119074314640
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O11907371059



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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