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:
Prairie Divide District (St. Cloud District), Larimer Co., Colorado, USA


mindat Locality ID: 134138
mindat URL: http://www.mindat.org/loc-134138.html

Tectonic Settings:

Total number of sublocalities beneath "Prairie Divide District (St. Cloud District), Larimer Co., Colorado, USA": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Cirque Claims
Copper King Mine (Claims: Black Hawk No. 1; Black Hawk No. 2)
Iron King Mine
Langford Copper Mine
Prairie Divide
Red Head Claim (Paradox Pegmatite)

Latitude: 40°52'26"N
Longitude: 105°28'39"W
Decimal Degree (lat, lon): 40.873888888889,-105.4775
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 Be C Ca Cu F Fe H K Mg Mo O Pb S Si U Zn 

Elements from minerals reported directly at this locality: Al Ca Fe H O Si 

Structural Groups for minerals in this locality: 
AmphiboleBerylCalciteChalcopyriteClayClinozoisiteCorundumDiasporeEpidoteFluorite
MarcasiteMicaMolybdeniteNickelineNoneNot in a structural groupPyriteQuartzRocksaltSphalerite
SpinelTopazZircon

24 IMA Minerals at location:
Actinolite  (*)Anthophyllite  (*)Azurite  (*)Beryl  (*)Chalcopyrite  (*)
Clinozoisite  (*)Coffinite  (*)Cummingtonite  (*)Epidote  (*)Fluorite  (*)
Galena  (*)Goethite  (*)Hematite  (*)Magnetite  (*)Marcasite  (*)
Molybdenite  (*)Phlogopite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Siderite  (*)Sphalerite  (*)Topaz  (*)Uraninite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)211919683419
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)21191968718
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211919715509
Beryl  (*)BerylBe3Al2Si6O1811919724286
Chalcopyrite  (*)ChalcopyriteCuFeS23191968,191969,19197027198
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)01025
Coffinite  (*)ZirconU(SiO4)·nH2O1191968566
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)21191968327
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)08173
Fluorite  (*)FluoriteCaF22191968,1919729617
Galena  (*)RocksaltPbS119196824243
Goethite  (*)DiasporeFeO(OH)11919687437
Hematite  (*)CorundumFe2O3119196814640
Magnetite  (*)SpinelFe2+Fe3+2O42191968,19196914899
Marcasite  (*)MarcasiteFeS211919685674
Molybdenite  (*)MolybdeniteMoS22191968,1919695800
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)211919682273
Pyrite  (*)PyriteFeS2119196839462
Pyrrhotite  (*)NickelineFe7S811919689056
Quartz  (*)QuartzSiO2119196861156
Siderite  (*)CalciteFe(CO3)11919686417
Sphalerite  (*)SphaleriteZnS2191968,19196921482
Topaz  (*)TopazAl2SiO4F211919721476
Uraninite  (*)FluoriteUO211919682718


No ages have been assigned to this locality yet.
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