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:
Lemhi Pass Mining District, Beaverhead Co., Montana, USA


mindat Locality ID: 186060
mindat URL: http://www.mindat.org/loc-186060.html

Tectonic Settings:

Total number of sublocalities beneath "Lemhi Pass Mining District, Beaverhead Co., Montana, USA": 45
Total number of bottom-level sublocalities: 45

Number of Child Localities: 45
Child Localities:
Atomic Blast Occurrence (Staatz Location No. 105)
B & B Nos. 1 And 4 Occurrence (Staatz Location No. 91)
Beaverhead Occurrence (Staatz Location No. 64)
Bighorn Occurrence (Staatz Location No. 83)
Black Rock No. 1 Mine (Radio; Staatz Location No. 75)
Briggeman Deposit
Brown Bear & Frying Pan Occurrence
Brown Bear No. 2 Occurrence (Staatz Location No. 78)
Brown Bear No. 3 Occurrence (Staatz Location No. 77)
Brown Bear No. 5 Occurrence (Staatz Location No. 80)
Bull Moose Occurrence (Staatz Location No. 76)
Cago No. 10 Occurrence (Staatz Location No. 51)
Contact Prospect (Staatz Location No. 52; Ragand Nos. 8 And 10)
Dan Patch No. 3 Occurrence (Staatz Location No. 97)
Danpatch Nos. 1 And 2 Occurrence (Staatz Location No. 98)
Frying Pan And Frying Pan No. 2 Occurrence (Staatz Location No. 85)
G & G Nos. 1; 2 And 5 Occurrence (Staatz Location No. 90)
G & G Nos. 6 And 8 Occurrence (Staatz Location No. 89)
H. R. S. No. 1 Occurrence (Staatz Location No. 95)
Lemhi Pass
Lucky Day Nos. 1 And 2 Occurrence (Staatz Location No. 96)
Lucky Strike No. 1 Claim
M.S.D. No. 1 Occurrence (Staatz Location No. 87)
M.S.D. No. 7 Occurrence (Staatz Location No. 86)
Orpha Occurrence (Staatz Location No. 106)
Reactor Nos. 1; 3 And 5 Occurrence (Staatz Location No. 107)
Saddlehorn No. 3 Occurrence (Staatz Location No. 94)
Shear Zone Occurrence (Staatz Location No. M3)
State Land Lease Prospect (MRDS - 10294025)
Trapper No. 1 Mine (Cabin Nos. 1-2; Contact; Staatz Location 67; Trapper No. 1 & Beaverhead)
Trapper No. 4 Claim
Unnamed Copper Occurrence (Staatz Location No. 36; MRDS - 10010290)
Unnamed Thorium Occurrence (Staatz Location No. 33; MRDS - 10010288)
Unnamed Thorium Occurrence (Staatz Location No. 34; MRDS - 10010289)
Unnamed Thorium Occurrence (Staatz Location No. 35; MRDS - 10090785)
Unnamed Thorium Occurrence (Staatz Location No. 53; MRDS - 10010291)
Unnamed Thorium Occurrence (Staatz Location No. 55; MRDS - 10090786)
Unnamed Thorium Occurrence (Staatz Location No. 56; MRDS - 10010293)
Unnamed Thorium Occurrence (Staatz Location No. 57; MRDS - 10090787)
Unnamed Thorium Occurrence (Staatz Location No. 59; MRDS - 10010294)
Unnamed Thorium Occurrence (Staatz Location No. 61; MRDS - 10090788)
Unnamed Thorium Occurrence (Staatz Location No. 65; MRDS - 10010295)
Unnamed Thorium Occurrence (Staatz Location No. 66; MRDS - 10010296)
Unnamed Thorium Occurrence (Staatz Location No. 81; MRDS - 10010297)
Unnamed Thorium Occurrence (Staatz Location No. 84; MRDS - 10094285)

Latitude: 44°56'16"N
Longitude: 113°26'39"W
Decimal Degree (lat, lon): 44.937777777778,-113.44416666667

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 Ba C Ca Ce Cu Fe H K Mg O P S Si Th Ti Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteBaryteCalciteClayCorundumDiasporeFeldsparLepidocrociteMalachiteMica
NoneOlivinePyritePyroxeneQuartzRhabdophaneRutileSpinelZircon

18 IMA Minerals at location:
Baryte  (*)Brockite  (*)Diopside  (*)Forsterite  (*)Goethite  (*)
Hematite  (*)Jarosite  (*)Lepidocrocite  (*)Magnetite  (*)Malachite  (*)
Microcline  (*)Muscovite  (*)Pyrite  (*)Quartz  (*)Rutile  (*)
Siderite  (*)Smithsonite  (*)Thorite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Baryte  (*)BaryteBa(SO4)9226590,226592,226594,226604,226605,226606,226608,226617,22661911547
Brockite  (*)Rhabdophane(Ca,Th,Ce)(PO4)·H2O4226606,226613,226617,22662948
Diopside  (*)PyroxeneCaMgSi2O612266144135
Forsterite  (*)OlivineMg2(SiO4)12266091188
Goethite  (*)DiasporeFeO(OH)17226590,226592,226604,226605,226606,226607,226613,226614,226615,226616,226617,226626,226627,226628,226629,226630,2266327437
Hematite  (*)CorundumFe2O318226590,226592,226594,226600,226605,226607,226608,226613,226615,226617,226619,226624,226626,226627,226628,226629,226630,22663214640
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)612266302228
Lepidocrocite  (*)LepidocrociteFe3+O(OH)1226624581
Magnetite  (*)SpinelFe2+Fe3+2O416226590,226592,226604,226605,226606,226608,226613,226614,226615,226616,226617,226624,226626,226627,226628,22663214899
Malachite  (*)MalachiteCu2(CO3)(OH)2122661412537
Microcline  (*)FeldsparK(AlSi3O8)14226590,226592,226604,226606,226607,226614,226615,226617,226619,226626,226627,226628,226630,2266324924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)23226608,226616,22662917380
Pyrite  (*)PyriteFeS23226592,226626,22662739462
Quartz  (*)QuartzSiO23226594,226605,22662761156
Rutile  (*)RutileTiO212226592,226604,226605,226606,226616,226617,226624,226626,226627,226628,226629,2266305614
Siderite  (*)CalciteFe(CO3)12266056417
Smithsonite  (*)CalciteZn(CO3)12265942473
Thorite  (*)ZirconTh(SiO4)31226590,226591,226592,226593,226597,226598,226599,226600,226603,226604,226605,226606,226607,226608,226610,226612,226613,226614,226615,226616,226617,226619,226624,226626,226627,226628,226629,226630,226631,226632,2266331006



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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