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:
Bear Lake Co., Idaho, USA

Oldest recorded age at locality: 220
Youngest recorded age at locality: 220

mindat Locality ID: 28055
mindat URL: http://www.mindat.org/loc-28055.html

Tectonic Settings:

Total number of sublocalities beneath "Bear Lake Co., Idaho, USA": 86
Total number of bottom-level sublocalities: 72

Number of Child Localities: 22
Child Localities:
Bear Lake Area
Bear Lake District
Bear River Range
Bloomington
Bloomington Area
Crow Creek District
Crow Creek Gypsum Occurrence
Dingle Area
Georgetown Area
Montpelier District
Nounan District
Paris Area
Pegram Area
Phosphate Occurrence (MRDS - 10241088)
Pine Gap No. 1
San Francisco Chemical Company Prospect
St. Charles Area
St. Charles District
Unnamed Phosphorus-Phosphates Location (MRDS - 10144140)
Unnamed Phosphorus-Phosphates Location (MRDS - 10192500)
Unnamed Rhenium Location (MRDS - 10216670)
White Quartz Nos. 1; 2 And 3

Latitude: 42°17'33"N
Longitude: 111°23'51"W
Decimal Degree (lat, lon): 42.2925,-111.3975

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 As Au C Ca Cl Cu Fe H Mg Mn Mo O P Pb S Sb Si V Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneApatiteAragoniteBrochantiteCalciteCopperCorundumCovelliteMalachiteNone
Not in a structural groupPyriteQuartzRocksaltRutileScheeliteSincositeSphaleriteTetrahedrite

24 IMA Minerals at location:
Azurite  (*)Brochantite  (*)Calcite  (*)Cerussite  (*)Chalcocite  (*)
Chrysocolla  (*)Copper  (*)Covellite  (*)Dolomite  (*)Galena  (*)
Gold  (*)Hematite  (*)Malachite  (*)Mimetite  (*)Pyrite  (*)
Pyrolusite  (*)Pyromorphite  (*)Quartz  (*)Siderite  (*)Sincosite  (*)
Sphalerite  (*)Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)22204335,2043525509
Brochantite  (*)BrochantiteCu4(SO4)(OH)62204335,2043521633
Calcite  (*)CalciteCa(CO3)6204277,204281,204285,204349,204352,20435627770
Cerussite  (*)AragonitePb(CO3)2204285,2043414979
Chalcocite  (*)NoneCu2S2202202204314,2043175707
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O12043353531
Copper  (*)CopperCu2202204204315,204334,204335,2043523846
Covellite  (*)CovelliteCuS22022012043174165
Dolomite  (*)NoneCaMg(CO3)24204277,204285,204335,2043499895
Galena  (*)RocksaltPbS6204277,204281,204285,204341,204349,20435224243
Gold  (*)CopperAu120428230554
Hematite  (*)CorundumFe2O3120435214640
Malachite  (*)MalachiteCu2(CO3)(OH)22202205204314,204317,204318,204335,20435212537
Mimetite  (*)ApatitePb5(AsO4)3Cl12042851107
Pyrite  (*)PyriteFeS2120428539462
Pyrolusite  (*)RutileMnO212042943106
Pyromorphite  (*)ApatitePb5(PO4)3Cl12042851725
Quartz  (*)QuartzSiO24204277,204334,204335,20435261156
Siderite  (*)CalciteFe(CO3)12042856417
Sincosite  (*)SincositeCa(VO)2(PO4)2·4H2O120428610
Sphalerite  (*)SphaleriteZnS120428521482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1312043521803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1312043525317
Wulfenite  (*)ScheelitePbMoO42204285,2043491655



1 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
sedcu-00663220220Upper Triassic       Cu68436Montpelier District, Bear Lake Co., Idaho, USAMontpelierCox et al. (2003) USGSOFR03_107 


SampleSource LocalityReference URL


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