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:
Wood Mine (E. Calhoun), Willis Gulch, Quartz Hill, Central City District, Gilpin Co., Colorado, USA


mindat Locality ID: 26628
mindat URL: http://www.mindat.org/loc-26628.html

Tectonic Settings:

Total number of sublocalities beneath "Wood Mine (E. Calhoun), Willis Gulch, Quartz Hill, Central City District, Gilpin Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°47'0"N
Longitude: 105°30'"W
Decimal Degree (lat, lon): 39.783333333333,-105.5
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: Al As Au Cu Fe H K O Pb S Si U Zn 

Elements from minerals reported directly at this locality: Al As Au Cu Fe H K O Pb S Si U Zn 

Structural Groups for minerals in this locality: 
AluniteChalcopyriteClayCopperCovelliteFluoriteKaoliniteNickelineNonePyrite
QuartzRocksaltSphaleriteTetrahedriteZippeite

15 IMA Minerals at location:
Bornite  (*)Chalcocite  (*)Chalcopyrite  (*)Covellite  (*)Galena  (*)
Gold  (*)Jarosite  (*)Kaolinite  (*)Pyrite  (*)Pyrrhotite  (*)
Quartz  (*)Sphalerite  (*)Tennantite-(Fe)  (*)Uraninite  (*)Zippeite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Bornite  (*)NoneCu5FeS405516
Chalcocite  (*)NoneCu2S05707
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Covellite  (*)CovelliteCuS04165
Galena  (*)RocksaltPbS024243
Gold  (*)CopperAu030554
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)602228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)405591
Pyrite  (*)PyriteFeS2039462
Pyrrhotite  (*)NickelineFe7S809056
Quartz  (*)QuartzSiO2061156
Sphalerite  (*)SphaleriteZnS021482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1301803
Uraninite  (*)FluoriteUO202718
Zippeite  (*)ZippeiteK2[(UO2)4(SO4)2O2(OH)2](H2O)40175


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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