Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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

Steep Rock Iron Mine, Freeborn Township, Rainy River District, Ontario, Canadai
Regional Level Types
Steep Rock Iron MineMine
Freeborn TownshipTownship
Rainy River DistrictDistrict
OntarioProvince
CanadaCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
09517840017272026148631.jpg
View of the Steep Rock Iron Mine (Atikokan iron mining area), ca. 1950.

Steep Rock Iron Mine, Freeborn Township, Rainy River District, Ontario, Canada
04202230017272026162040.jpg
Flooded Pits at Steep Rock Iron Mine - August 24, 2008

Steep Rock Iron Mine, Freeborn Township, Rainy River District, Ontario, Canada
09517840017272026148631.jpg
View of the Steep Rock Iron Mine (Atikokan iron mining area), ca. 1950.

Steep Rock Iron Mine, Freeborn Township, Rainy River District, Ontario, Canada
04202230017272026162040.jpg
Flooded Pits at Steep Rock Iron Mine - August 24, 2008

Steep Rock Iron Mine, Freeborn Township, Rainy River District, Ontario, Canada
09517840017272026148631.jpg
View of the Steep Rock Iron Mine (Atikokan iron mining area), ca. 1950.

Steep Rock Iron Mine, Freeborn Township, Rainy River District, Ontario, Canada
Latitude & Longitude (WGS84):
48° 48' 37'' North , 91° 38' 39'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Atikokan3,400 (2018)6.1km
Mindat Locality ID:
7938
Long-form identifier:
mindat:1:2:7938:2
GUID (UUID V4):
0


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

16 valid minerals.

Detailed Mineral List:

Aragonite
Formula: CaCO3
Cacoxenite
Formula: Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Calcite
Formula: CaCO3
Calcite var. Manganese-bearing Calcite
Formula: (Ca,Mn)CO3
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
'Clay minerals'
Dolomite
Formula: CaMg(CO3)2
Gibbsite
Formula: Al(OH)3
Goethite
Formula: Fe3+O(OH)
Hematite
Formula: Fe2O3
'Limonite'
Malachite
Formula: Cu2(CO3)(OH)2
Manganite
Formula: Mn3+O(OH)
Pyrite
Formula: FeS2
Pyrolusite
Formula: Mn4+O2
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Quartz var. Rock Crystal
Formula: SiO2
Quartz var. Smoky Quartz
Formula: SiO2
Siderite
Formula: FeCO3
Talc
Formula: Mg3Si4O10(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
var. Smoky Quartz4.DA.05SiO2
var. Rock Crystal4.DA.05SiO2
Pyrolusite4.DB.05Mn4+O2
Manganite4.FD.15Mn3+O(OH)
Gibbsite4.FE.10Al(OH)3
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
var. Manganese-bearing Calcite5.AB.05(Ca,Mn)CO3
Siderite5.AB.05FeCO3
Dolomite5.AB.10CaMg(CO3)2
Aragonite5.AB.15CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
Cacoxenite8.DC.40Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Group 9 - Silicates
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified
'Chlorite Group'-
'Clay minerals'-
'Limonite'-

List of minerals for each chemical element

HHydrogen
H CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
H GibbsiteAl(OH)3
H GoethiteFe3+O(OH)
H ManganiteMn3+O(OH)
H MalachiteCu2(CO3)(OH)2
H TalcMg3Si4O10(OH)2
CCarbon
C AragoniteCaCO3
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
OOxygen
O AragoniteCaCO3
O CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O GibbsiteAl(OH)3
O GoethiteFe3+O(OH)
O HematiteFe2O3
O ManganiteMn3+O(OH)
O Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
O MalachiteCu2(CO3)(OH)2
O PyrolusiteMn4+O2
O QuartzSiO2
O SideriteFeCO3
O Quartz var. Smoky QuartzSiO2
O TalcMg3Si4O10(OH)2
O Quartz var. Rock CrystalSiO2
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Al GibbsiteAl(OH)3
SiSilicon
Si QuartzSiO2
Si Quartz var. Smoky QuartzSiO2
Si TalcMg3Si4O10(OH)2
Si Quartz var. Rock CrystalSiO2
PPhosphorus
P CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
SSulfur
S ChalcopyriteCuFeS2
S PyriteFeS2
S PyrrhotiteFe1-xS
CaCalcium
Ca AragoniteCaCO3
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
MnManganese
Mn ManganiteMn3+O(OH)
Mn Calcite var. Manganese-bearing Calcite(Ca,Mn)CO3
Mn PyrolusiteMn4+O2
FeIron
Fe CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Fe ChalcopyriteCuFeS2
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe SideriteFeCO3
CuCopper
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2

Localities in this Region

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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

 
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 4, 2026 15:29:10 Page updated: September 23, 2025 20:55:52
Go to top of page