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:
Horse Creek, Rico District (Pioneer District), Dolores Co., Colorado, USA


mindat Locality ID: 69297
mindat URL: http://www.mindat.org/loc-69297.html

Tectonic Settings:

Total number of sublocalities beneath "Horse Creek, Rico District (Pioneer District), Dolores Co., Colorado, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Gold Anchor Mine
Iron Draw Mine
Johnney Bull Mine
Puzzle Mine (Puzzler Mine)

Latitude: 37°42'55"N
Longitude: 108°4'32"W
Decimal Degree (lat, lon): 37.715277777778,-108.07555555556

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 Br Cl Cu Fe H K Mo O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneClayCopperEnargiteKaoliniteMicaMolybdeniteNonePyrite
QuartzRocksaltSphaleriteTetrahedriteWurtzite

15 IMA Minerals at location:
Acanthite  (*)Allophane  (*)Bromargyrite  (*)Chlorargyrite  (*)Enargite  (*)
Galena  (*)Gold  (*)Kaolinite  (*)Molybdenite  (*)Muscovite  (*)
Pyrite  (*)Quartz  (*)Silver  (*)Sphalerite  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S11875832793
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O1187583470
Bromargyrite  (*)RocksaltAgBr1187583227
Chlorargyrite  (*)RocksaltAgCl11875831382
Enargite  (*)Enargite WurtziteCu3AsS41187582910
Galena  (*)RocksaltPbS118758024243
Gold  (*)CopperAu3187580,187582,18758330554
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)42187580,1875825591
Molybdenite  (*)MolybdeniteMoS211875805800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2118758217380
Pyrite  (*)PyriteFeS23187580,187582,18758339462
Quartz  (*)QuartzSiO23187580,187582,18758361156
Silver  (*)CopperAg11875835186
Sphalerite  (*)SphaleriteZnS118758021482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S133187580,187581,1875825317



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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