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:
Decatur West District (Stunner District), Conejos Co., Colorado, USA


mindat Locality ID: 274739
mindat URL: http://www.mindat.org/loc-274739.html

Tectonic Settings:

Total number of sublocalities beneath "Decatur West District (Stunner District), Conejos Co., Colorado, USA": 8
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Alum Creek Occurrence
Apex Tunnel Occurrence (Watrous Claims)
Asiatic Mine (Brooklyn; MS 16857a; Alabama; MS 16857a; Kearsarge; MS 16857a; Merrimac; MS 16857a; Oregon; MS 16857a; Montgomery; MS 16857a; Olimpia; MS 16857a)
Emma Mine (Patented Claim: Emma; MS 12752)
Eurydice Mine (No. 10; MS 7000; Orpheus; MS 7760; Louisa; MS 7760; Patented Claims: Eurydice; MS 7760)
Globe Occurrence
Pass Me By Mine (Upper Ten; MS 15371; Cleora; MS 15371; Homestake; MS 15371; Vivian; MS 15371; Arla; MS 15371)
Trill Bird Deposit

Latitude: 37°22'44"N
Longitude: 106°34'36"W
Decimal Degree (lat, lon): 37.378888888889,-106.57666666667

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 Au C Ca Cu Fe H K Mo O Pb S Sb Si Te 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CalciteChalcopyriteCopperDiasporeMolybdeniteNonePyriteQuartzRocksaltStibnite
Tetrahedrite

12 IMA Minerals at location:
Alunite  (*)Calcite  (*)Chalcopyrite  (*)Galena  (*)Goethite  (*)
Gold  (*)Molybdenite  (*)Petzite  (*)Pyrite  (*)Quartz  (*)
Stibnite  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alunite  (*)NoneKAl3(SO4)2(OH)61187016966
Calcite  (*)CalciteCa(CO3)118702127770
Chalcopyrite  (*)ChalcopyriteCuFeS2118702127198
Galena  (*)RocksaltPbS118701824243
Goethite  (*)DiasporeFeO(OH)11870217437
Gold  (*)CopperAu3187016,187017,18702130554
Molybdenite  (*)MolybdeniteMoS211870145800
Petzite  (*)NoneAg3AuTe23187016,187017,187018409
Pyrite  (*)PyriteFeS22187018,18702139462
Quartz  (*)QuartzSiO24187015,187016,187017,18701861156
Stibnite  (*)StibniteSb2S311870153418
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S132187017,1870185317



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...