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:
Hummer Mine, Jo Dandy Mine (Joe Dandy; Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose Co., Colorado, USA


mindat Locality ID: 3656
mindat URL: http://www.mindat.org/loc-3656.html

Tectonic Settings:

Total number of sublocalities beneath "Hummer Mine, Jo Dandy Mine (Joe Dandy; Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°13'0"N
Longitude: 108°45'"W
Decimal Degree (lat, lon): 38.216666666667,-108.75

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: Ca Fe H K Mg O S U V 

Elements from minerals reported directly at this locality: Ca Fe H K Mg O S U V 

Structural Groups for minerals in this locality: 
AjoiteGypsumHewettiteNonePascoite

11 IMA Minerals at location:
Carnotite  (*)Fervanite  (*)Gypsum  (*)Hewettite  (*)Hummerite  (*)
Metahewettite  (*)Metarossite  (*)Navajoite  (*)Okieite  (*)Rauvite  (*)
Simplotite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Carnotite  (*)NoneK2(UO2)2(VO4)2·3H2O01184
Fervanite  (*)NoneFe3+4V5+4O16·5H2O010
Gypsum  (*)GypsumCa(SO4)·2H2O06890
Hewettite  (*)HewettiteCaV5+6O16·9H2O058
Hummerite  (*)PascoiteKMgV5+5O14·8H2O021
Metahewettite  (*)HewettiteCaV5+6O16·3H2O056
Metarossite  (*)NoneCaV5+2O6·2H2O034
Navajoite  (*)Ajoite(V5+,Fe3+)10O24·12H2O011
Okieite  (*)PascoiteMg3[V10O28]·28H2O02
Rauvite  (*)NoneCa(UO2)2V10O28·16H2O032
Simplotite  (*)NoneCaV4+4O9·5H2O09



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL
R070450Hummer Mine, Jo Dandy Mine (Joe Dandy; Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose Co., Colorado, USAhttps://rruff.info/R070450


All locality data graciously provided by mindat.org

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