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:
Donaldson Group, Lawson District (Dumont District), Clear Creek Co., Colorado, USA


mindat Locality ID: 214359
mindat URL: http://www.mindat.org/loc-214359.html

Tectonic Settings:

Total number of sublocalities beneath "Donaldson Group, Lawson District (Dumont District), Clear Creek Co., Colorado, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Centurion
Champion Dirt
Kelly Tunnel No. 4
Little Albert Tunnel No. 5
Little Champion (Megalona)

Latitude: 39°44'48"N
Longitude: 105°33'50"W
Decimal Degree (lat, lon): 39.746666666667,-105.56388888889
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: Ag Al As Au C Cu Fe H O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: C Cu Fe O S Sb Zn 

Structural Groups for minerals in this locality: 
AllophaneCalciteChalcopyriteCopperCorundumCovelliteNonePolybasitePyriteQuartz
RocksaltSphaleriteTetrahedrite

13 IMA Minerals at location:
Chalcopyrite  (*)Chrysocolla  (*)Covellite  (*)Galena  (*)Gold  (*)
Hematite  (*)Pearceite  (*)Pyrite  (*)Quartz  (*)Siderite  (*)
Sphalerite  (*)Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chalcopyrite  (*)ChalcopyriteCuFeS2118661127198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11866093531
Covellite  (*)CovelliteCuS11866114165
Galena  (*)RocksaltPbS118661124243
Gold  (*)CopperAu118661130554
Hematite  (*)CorundumFe2O3118661114640
Pearceite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]1186611249
Pyrite  (*)PyriteFeS23186608,186610,18661139462
Quartz  (*)QuartzSiO23186608,186610,18661161156
Siderite  (*)CalciteFe(CO3)06417
Sphalerite  (*)SphaleriteZnS118661121482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1311866111803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1305317


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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