Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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French Mining District, Owyhee County, Idaho, USAi
Regional Level Types
French Mining DistrictMining District
Owyhee CountyCounty
IdahoState
USACountry

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PhotosMapsSearch
06576970017272050554538.jpg
Silver Cord Compressor

Silver Cord Mine, French Mining District, Owyhee County, Idaho, USA
04696850017272260897484.jpg
Morning Star Mine shed

Morning Star Mine, French Mining District, Owyhee County, Idaho, USA
03035850017272260907347.jpg
Morning Star Mine dumps

Morning Star Mine, French Mining District, Owyhee County, Idaho, USA
06576970017272050554538.jpg
Silver Cord Compressor

Silver Cord Mine, French Mining District, Owyhee County, Idaho, USA
04696850017272260897484.jpg
Morning Star Mine shed

Morning Star Mine, French Mining District, Owyhee County, Idaho, USA
03035850017272260907347.jpg
Morning Star Mine dumps

Morning Star Mine, French Mining District, Owyhee County, Idaho, USA
06576970017272050554538.jpg
Silver Cord Compressor

Silver Cord Mine, French Mining District, Owyhee County, Idaho, USA
04696850017272260897484.jpg
Morning Star Mine shed

Morning Star Mine, French Mining District, Owyhee County, Idaho, USA


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

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

12 valid minerals.

Rock Types Recorded

Note: 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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Acanthite
Formula: Ag2S
Localities: Reported from at least 7 localities in this region.
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Clay minerals'
ⓘ Copper
Formula: Cu
ⓘ Galena
Formula: PbS
ⓘ Gold
Formula: Au
Localities: Reported from at least 17 localities in this region.
ⓘ 'K Feldspar'
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 16 localities in this region.
ⓘ Silver
Formula: Ag
Localities: Reported from at least 6 localities in this region.
ⓘ Sphalerite
Formula: ZnS

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘCopper1.AA.05Cu
ⓘGold1.AA.05Au
ⓘSilver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
ⓘAcanthite2.BA.35Ag2S
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Clay minerals'-
ⓘ'K Feldspar'-

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
AlAluminium
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CopperCu
ZnZinc
Znⓘ SphaleriteZnS
AgSilver
Agⓘ AcanthiteAg2S
Agⓘ SilverAg
AuGold
Auⓘ GoldAu
PbLead
Pbⓘ GalenaPbS

Fossils

There are 1 fossil locality from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences2
Youngest Fossil Listed5.33 Ma (Miocene)
Oldest Fossil Listed11.6 Ma (Miocene)
Stratigraphic Units
UnitNo. OccurrencesAge
Chalk Hills110.3 - 4.9 Ma (Neogene)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Mesodictyon magnum
species		Diatomophyceae : Centrales : Thalassiosiraceae : Mesodictyon : Mesodictyon magnum11.608 - 5.333 Ma
Miocene
Mesodictyon fovis
species		Diatomophyceae : Centrales : Thalassiosiraceae : Mesodictyon : Mesodictyon fovis11.608 - 5.333 Ma
Miocene
Fossil LocalitiesClick to show 1 fossil locality

Localities in this Region

USA
USA

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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