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:
Little Valley, Sheeprock Mts, Tooele Co., Utah, USA


mindat Locality ID: 280123
mindat URL: http://www.mindat.org/loc-280123.html

Tectonic Settings:

Total number of sublocalities beneath "Little Valley, Sheeprock Mts, Tooele Co., Utah, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Lookout Pass Thallium Prospect

Latitude: 40°4'58"N
Longitude: 112°35'47"W
Decimal Degree (lat, lon): 40.082777777778,-112.59638888889
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: As Ba C Ca Fe H Hg Mg O S Sb Si Ti Tl 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArseniosideriteArsenoliteBaryteBixbyiteCalciteCorundumDiasporeMarcasiteNonePyrite
PyrochloreQuartzRutileSartoriteStibniteSulphurWeissbergite

26 IMA Minerals at location:
Arseniosiderite  (*)Avicennite  (*)Baryte  (*)Calcite  (*)Cervantite  (*)
Cinnabar  (*)Dolomite  (*)Goethite  (*)Graphite  (*)Hematite  (*)
Hydroxycalcioroméite  (*)Kermesite  (*)Marcasite  (*)Parapierrotite  (*)Pierrotite  (*)
Pyrite  (*)Quartz  (*)Rutile  (*)Senarmontite  (*)Stibiconite  (*)
Stibnite  (*)Sulphur  (*)Tripuhyite  (*)Valentinite  (*)Vrbaite  (*)
Weissbergite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arseniosiderite  (*)ArseniosideriteCa2Fe3+3O2(AsO4)3·3H2O1277634194
Avicennite  (*)BixbyiteTl2O312776347
Baryte  (*)BaryteBa(SO4)127763411547
Calcite  (*)CalciteCa(CO3)127763427770
Cervantite  (*)NoneSb3+Sb5+O41277634352
Cinnabar  (*)NoneHgS12776342600
Dolomite  (*)NoneCaMg(CO3)212776349895
Goethite  (*)DiasporeFeO(OH)12776347437
Graphite  (*)NoneC12776342812
Hematite  (*)CorundumFe2O3127763414640
Hydroxycalcioroméite  (*)Pyrochlore(Ca,Sb3+)2(Sb5+,Ti)2O6(OH)127763411
Kermesite  (*)NoneSb2OS21277634230
Marcasite  (*)MarcasiteFeS212776345674
Parapierrotite  (*)NoneTlSb5S8127763410
Pierrotite  (*)SartoriteTl2(Sb,As)10S1612776343
Pyrite  (*)PyriteFeS2127763439462
Quartz  (*)QuartzSiO2127763461156
Rutile  (*)RutileTiO212776345614
Senarmontite  (*)ArsenoliteSb2O31277634179
Stibiconite  (*)PyrochloreSb3+Sb5+2O6(OH)1277634446
Stibnite  (*)StibniteSb2S312776343418
Sulphur  (*)SulphurS12776342045
Tripuhyite  (*)RutileFe3+Sb5+O4127763466
Valentinite  (*)NoneSb2O31277634369
Vrbaite  (*)NoneHg3Tl4As8Sb2S2012776345
Weissbergite  (*)WeissbergiteTlSbS212776344


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL
R070262Lookout Pass Thallium Prospect, Little Valley, Sheeprock Mts, Tooele Co., Utah, USAhttps://rruff.info/R070262
R060397Lookout Pass Thallium Prospect, Little Valley, Sheeprock Mts, Tooele Co., Utah, USAhttps://rruff.info/R060397

All locality data graciously provided by mindat.org

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