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!
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Conrad's Crossing prospect, St. Joe Mining District, Shoshone County, Idaho, USAi
Regional Level Types
Conrad's Crossing prospectProspect
St. Joe Mining DistrictMining District
Shoshone CountyCounty
IdahoState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
00975170017272074311322.jpg
Conrad Crossing Topo Map

Conrad's Crossing prospect, St. Joe Mining District, Shoshone County, Idaho, USA
09348860017272074311635.jpg
Conrad's Crossing Collapsed Adit

Conrad's Crossing prospect, St. Joe Mining District, Shoshone County, Idaho, USA
00975170017272074311322.jpg
Conrad Crossing Topo Map

Conrad's Crossing prospect, St. Joe Mining District, Shoshone County, Idaho, USA
09348860017272074311635.jpg
Conrad's Crossing Collapsed Adit

Conrad's Crossing prospect, St. Joe Mining District, Shoshone County, Idaho, USA
00975170017272074311322.jpg
Conrad Crossing Topo Map

Conrad's Crossing prospect, St. Joe Mining District, Shoshone County, Idaho, USA
00862350017272074338065.jpg
Conrad's Crossing Collapsed Adit

Conrad's Crossing prospect, St. Joe Mining District, Shoshone County, Idaho, USA
Latitude & Longitude (WGS84):
47° 9' 50'' North , 115° 24' 54'' West
Latitude & Longitude (decimal):
47.16404,-115.41517
GeoHash:
G#: c2mum9vnr
GRN:
N32W57
Type:
Prospect
Köppen climate type:
Dsb : Warm, dry-summer continental climate
Nearest Settlements:
PlacePopulationDistance
Saint Regis319 (2011)28.0km
Mullan675 (2017)44.8km
Thompson Falls1,332 (2017)48.2km
Belknap158 (2011)55.4km
Mindat Locality ID:
45985
Long-form identifier:
mindat:1:2:45985:6
GUID (UUID V4):
0


Located approximately 19.9 miles (32.0 kilometers) southeast of Avery, Idaho. The prospect lies along the St. Joe River in the vicinity of Conrad's Crossing.

Commodities (Major): copper, gold, silver
Development Status: inactive
Rock formation(s): Wishards Sill
Ore(s): Seams and irregular bunches in Shear Zone
Tectonics: Belt Basin

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


6 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ MalachiteCu2(CO3)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
CaCalcium
Caⓘ CalciteCaCO3
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MalachiteCu2(CO3)(OH)2

Other Databases

Link to USGS MRDS:10078335

Other Regions, Features and Areas containing this locality

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.

References

PARDEE, J. T., 1911 , GEOLOGY AND MINERALIZATION OF THE UPPER ST. JOE RIVER BASIN, IDAHO: USGS BULL. 470 , P. 39 - 61.
Volume VI: St. Joe River Drainage, ISG S 03-9.
idahogeomap.nkn.uidaho.edu (n.d.) https://idahogeomap.nkn.uidaho.edu/webmap/WebData/Mines.asp?Operation=Details&IDs=WL0541
Calkins, F. C., and Jones, E. L., (1913) , Geology of the St. Joe-clearwater Region, Idaho: USGS Bull. 530 , P. 75 - 86
Umpleby, J. B., and Jones, E. L., Jr., (1923) , Geology and Ore Deposits of Shoshone County, Idaho: USGS Bull. 732 , 156 P.
Kauffman J.D., Bennett E.H., Mitchell V.E., (2003), Site Inspection Report for the Abandoned and Inactive Mines in Idaho on U.S. Forest Service Lands (Region 1), Idaho Panhandle National Forest:
Quick NavTopCommoditiesMineral ListRock TypesOther DatabasesOther RegionsReferences
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 3, 2026 14:17:30 Page updated: August 5, 2025 08:46:41
Go to top of page