Mindat Logo

Michigan Mine, Rockland, Ontonagon Co., Michigan, USA
This page is currently not sponsored. Click here to sponsor this page.

Latitude: 46°44'N
Longitude: 89°11'W
An underground copper mine consisting of five shafts near Rockland, MI. The Michigan Mining Co. was organized in 1899 and consisted of property formerly owned by Minesota, Rockland, and Superior Mining Co's. Michigan discontinued work on the company budget in 1910 and leased it on tribute until 1920 when the mine closed for good. The company was consolidated with the Mohawk Mining Co. in 1923. Between 1900 and 1920, the company produced approx. 21.2 million lbs. of refined copper. of the five Michigan shafts, only Michigan E-Shaft is worth visiting. It has been known for producing nice copper and silver.

Mineral List

'Chlorite Group'

13 entries listed. 11 valid minerals.

The above list 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.


Rocks & Min.: 58:112 & 65:240

Butler, B.S., and Burbank, W.S., 1929, The Copper Deposits of Michigan. U.S. Geological Survey. Professional Paper 144. 238 pp.

The Copper Country Rock & Mineral Club, 2001, Red Gold and Tarnished Silver, 2nd Ed., 44 pp.

Mineral and/or Locality  
Search Google  
Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: December 20, 2014 23:04:08 Page generated: December 20, 2014 16:28:44
Mineral and Locality Search
and/or Locality:
Fade toolbar when not in focusFix toolbar to bottom of page
Hide Social Media Links
Slideshow frame delay seconds