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:
Middle Park, Grand Co., Colorado, USA


mindat Locality ID: 158977
mindat URL: http://www.mindat.org/loc-158977.html

Tectonic Settings:

Total number of sublocalities beneath "Middle Park, Grand Co., Colorado, USA": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Rabbit Ears Pass
Troublesome Creek

Latitude: 40°7'35"N
Longitude: 106°7'48"W
Decimal Degree (lat, lon): 40.126388888889,-106.13
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 C Ca F Fe H K Mg Na O P S Sb Si Ti U V 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteAmphiboleAnalcimeAutuniteClayCorundumMarcasiteMicaNonePyroxene
QuartzStibnite

12 IMA Minerals at location:
Analcime  (*)Autunite  (*)Carnotite  (*)Diopside  (*)Ilmenite  (*)
Jarosite  (*)Marcasite  (*)Phlogopite  (*)Quartz  (*)Richterite  (*)
Schröckingerite  (*)Stibnite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O11893131627
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O11893141272
Carnotite  (*)NoneK2(UO2)2(VO4)2·3H2O11893141184
Diopside  (*)PyroxeneCaMgSi2O611893134135
Ilmenite  (*)CorundumFe2+Ti4+O311893135433
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)611893142228
Marcasite  (*)MarcasiteFeS211893145674
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)211893132273
Quartz  (*)QuartzSiO2118931461156
Richterite  (*)AmphiboleNa(NaCa)Mg5Si8O22(OH)21189313148
Schröckingerite  (*)NoneNaCa3(UO2)(SO4)(CO3)3F·10H2O1189314128
Stibnite  (*)StibniteSb2S311893143418


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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