Commodities (Major) - Iron
Deposit Type: Secondary Enrichment
Development Status: Prospect
Deposit Model: 241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)
Host Rock: Iron Formation

An iron exploration in the Bird Iron-Bearing Member of the Hemlock Volcanics Formation. The exploration, conducted in 1900, consists of test pits. The exploration lies in SW-SE Sec. 13 T43N-R32W, which is the 40 acres between N46º6'58", N46º7'11", W88º14'52", and W88º15'10".

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.

ⓘ Iron

Mineral List

ⓘ Hematite

1 valid mineral.

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

ⓘ Banded iron formation

Detailed Mineral List:

ⓘ Hematite

Formula: Fe₂O₃

References:

Wier, K. L. (1971) "Geology and Magnetic Data for Northeastern Crystal Falls Area, Michigan", Report of Investigation 11, Geological Survey Division of the Department of Natural Resources, State of Michigan, Lansing.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Hematite	4.CB.05	Fe₂O₃

List of minerals for each chemical element

O	Oxygen
O	ⓘ Hematite	Fe₂O₃
Fe	Iron
Fe	ⓘ Hematite	Fe₂O₃

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Superior Craton
- Penokean OrogenCraton
Superior DomainDomain

USA

Michigan
- Menominee Iron Range mining districtMining District

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

Wier, K.L. (1971) Geology and Magnetic Data for Northeastern Crystal Falls Area, Michigan. Michigan Department of Natural Resources, Geological Survey Division. Report of Investigation 11. 14 pages.

Johnson, A.M., Groth, E.H. (1998) Inventory of Underground Mines, Iron County. Michigan Department of Natural Resources Site ID No. 360013.

Quick NavTop Commodities Mineral List Rock Types Other Regions References

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 20, 2026 20:04:57 Page updated: August 26, 2025 12:05:55

Go to top of page