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:
Rhyolite, Bullfrog District, Bullfrog Hills, Nye Co., Nevada, USA

Oldest recorded age at locality: 10.5
Youngest recorded age at locality: 10.5

mindat Locality ID: 62365
mindat URL: http://www.mindat.org/loc-62365.html

Tectonic Settings:

Total number of sublocalities beneath "Rhyolite, Bullfrog District, Bullfrog Hills, Nye Co., Nevada, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Bullfrog Mine
Montgomery-Shoshone Mine

Latitude: 36°54'28"N
Longitude: 116°50'49"W
Decimal Degree (lat, lon): 36.907777777778,-116.84694444444
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 Au C Ca Cl Cu Fe H I O S Se Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneCalciteClayCopperKaoliniteMalachiteNoneNot in a structural groupPyrite
QuartzRocksaltUytenbogaardtiteWurtzite

13 IMA Minerals at location:
Acanthite  (*)Azurite  (*)Calcite  (*)Chlorargyrite  (*)Chrysocolla  (*)
Gold  (*)Iodargyrite  (*)Kaolinite  (*)Malachite  (*)Naumannite  (*)
Pyrite  (*)Quartz  (*)Uytenbogaardtite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S12395062793
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)212395065509
Calcite  (*)CalciteCa(CO3)10.510.5123950727770
Chlorargyrite  (*)RocksaltAgCl10.510.512395071382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O12395063531
Gold  (*)CopperAu10.510.52239506,23950730554
Iodargyrite  (*)WurtziteAgI10.510.51239507180
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)410.510.512395075591
Malachite  (*)MalachiteCu2(CO3)(OH)2123950612537
Naumannite  (*)Not in a structural groupAg2Se1239506192
Pyrite  (*)PyriteFeS210.510.5123950739462
Quartz  (*)QuartzSiO210.510.52239506,23950761156
Uytenbogaardtite  (*)UytenbogaardtiteAg3AuS2123950646


2 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
NAVDAT-8650610.510.5510.525±-0.025   86506    40421Montgomery-Shoshone Mine, Rhyolite, Bullfrog District, Bullfrog Hills, Nye Co., Nevada, USA NAVDAT NAVDAT 
NAVDAT-8650710.4510.510.475±-0.025   86507    40421Montgomery-Shoshone Mine, Rhyolite, Bullfrog District, Bullfrog Hills, Nye Co., Nevada, USA NAVDAT NAVDAT 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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