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Lemhi Co., Idaho, USA

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No description has been added for this locality. Can you add one?

Mineral List

Mineral list contains entries from the region specified including sub-localities

Acanthite

Actinolite

Albite

var: Andesine

'Albite-Anorthite Series'

Allanite-(Ce)

'Allanite Group'

Allophane

Almandine

Anatase

Anglesite

Anhydrite

Ankerite

Annabergite

Annite

Anorthite

Antimony

'Apatite'

Aragonite

var: Flos Ferri

Arsenic

Arsenopyrite

Atacamite

Augite

Aurichalcite

Autunite

Azurite

Baryte

'Bastnäsite'

Bayldonite

Beryl

var: Aquamarine

Beudantite

'Bindheimite'

'Biotite'

Bismuth

Bismuthinite

Bornite

Boulangerite

Braunite

Brochantite

Brockite

Brookite

Calcite

Caledonite

Carnotite

Cassiterite

Cerussite

Chalcocite

Chalcophyllite

Chalcopyrite

Chlorargyrite

'Chlorite Group'

Chloritoid

Chrysocolla

Cinnabar

'Clays'

Clinohumite

Clintonite

Cobaltite

Copper

Cordierite

Covellite

Cubanite

Cuprite

Cyanotrichite

Delafossite

Descloizite

Diopside

Dolomite

'Electrum'

Enargite

Epidote

Epsomite

Erythrite

Euxenite-(Y)

'Feldspar Group'

'var: Perthite'

Felsőbányaite

Ferrimolybdite

Fluorapatite

Fluorite

Forsterite

Gadolinite-(Y)

Galena

'Garnet'

Glaucophane

Goethite

Gold

Graphite

Gratonite

Grossular

Guanajuatite

Gypsum

Hedenbergite

Hematite

var: Martite

var: Specularite

Hemimorphite

Heterogenite

'Hornblende'

Hübnerite

Ilmenite

Jamesonite

Jarosite

'Jasper'

'K Feldspar'

'var: Adularia'

Kyanite

'Labradorite'

Langite

Laumontite

Lepidocrocite

'Limonite'

Linarite

Linnaeite

Ludlamite

Ludwigite

Magnesioferrite

Magnetite

Malachite

Manganite

Marcasite

Meionite

Mesolite

Metatorbernite

'Mica Group'

Microcline

Millerite

Mimetite

Minium

Molybdenite

Molybdite

'Monazite'

Monazite-(Ce)

Montmorillonite

Muscovite

var: Sericite

Natrolite

Naumannite

Nickeline

Nontronite

Olivenite

'Olivine'

Opal

var: Precious Opal

Orthoclase

Palygorskite

Petzite

Phlogopite

Plattnerite

Plumbojarosite

Proustite

'Psilomelane'

Pyrargyrite

Pyrite

var: Cobaltoan Pyrite

Pyrolusite

Pyromorphite

Pyrrhotite

Quartz

var: Agate

var: Amethyst

var: Chalcedony

var: Smoky Quartz

Rhodochrosite

Rosasite

Rutile

Safflorite

Sanidine

'Scapolite'

Scheelite

Schorl

Scorodite

Segnitite

Sepiolite

Siderite

Sillimanite

Silver

Skutterudite

Smithsonite

Sphalerite

Spinel

Staurolite

Stibnite

'Stilbite'

Stolzite

Sulphur

Sylvanite

'Synchysite'

Synchysite-(Y)

Tenorite

Tetrahedrite

Thaumasite

'Thomsonite'

Thorite

Titanite

Topaz

Torbernite

'Tourmaline'

Tridymite

Tungstite

Tyuyamunite

Uraninite

Uranophane

Vanadinite

Vivianite

Volborthite

'Wad'

'Wolframite'

Wulfenite

Xenotime-(Y)

Zippeite

Zircon

Zoisite


174 valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Geochronology

Mineralization age: Late Cretaceous : 99 Ma to 90 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Mesozoic
  Cretaceous
   Late Cretaceous
ⓘ Monazite (youngest age)90 MaLemhi Pass District, Lemhi Co., Idaho, USA
ⓘ Monazite (oldest age)99 MaLemhi Pass District, Lemhi Co., Idaho, USA

Localities in this Region

USA
USA

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Mineral and/or Locality  
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