Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Goethite from
Back Forty Deposit, Menominee County, Michigan, USA


Locality type:Deposit
Classification
Species:Goethite
Formula:Fe3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Back Forty Deposit, Menominee County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:690291
Long-form Identifier:1:3:690291:9
GUID (UUID V4):0
Nearest other occurrences of Goethite
35.0km (21.7 miles) ⓘBreen Mine, Dickinson County, Michigan, USA
35.3km (21.9 miles) ⓘEmmett Mine, Dickinson County, Michigan, USA
36.2km (22.5 miles) ⓘVerona, Dickinson County, Michigan, USA
36.2km (22.5 miles) ⓘSturgeon Prospect, Dickinson County, Michigan, USA
36.8km (22.9 miles) ⓘEast Vulcan Mine, Vulcan, Dickinson County, Michigan, USA
37.2km (23.1 miles) ⓘLoretto Mine, Loretto, Dickinson County, Michigan, USA
37.6km (23.4 miles) ⓘPenn Mines, Norway, Dickinson County, Michigan, USA
37.7km (23.4 miles) ⓘWest Vulcan Mine, Vulcan, Dickinson County, Michigan, USA
37.8km (23.5 miles) ⓘBrier Hill Prospect, Dickinson County, Michigan, USA
38.2km (23.7 miles) ⓘAragon Mine, Dickinson County, Michigan, USA
References
Quigley, Tom, and Mahin, Bob, 2008, Back Forty Geology and Mineralization: Proceedings of the Institute on Lake Superior Geology, v. 54, Part 2 - Field Trip Guidebook, 66-85.
DeMatties, T. A. (2018). Effects of paleoweathering and supergene activity on volcanogenic massive sulfide (VMS) mineralization in the Penokean Volcanic Belt, northern Wisconsin, Michigan and east-central Minnesota, USA: Implications for future exploration. Ore Geology Reviews, 95, 216-237.
 
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: October 21, 2026 11:06:42
Go to top of page