17 Tons of copper

[kenb]

I dont know how old this is but what a find!. http://www.museum.mtu.edu/News-archive/boulder.html

kenb

 

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[godisnum1]

That's simply astonishing!!!! The fact that it's a natural formation is also amazing... thanks for sharing that Kenb!!

Bran <><

 

[djui5]

hell of a find if you ask me!

 

[aa battery]

Never knew copper came in that form

 

[bakergeol]

Yes that is native copper from Michigan. I have a lot of big specimens(not that big) myself).

In the past some detectorists have hunted for native copper in the Keweenaw Penn.

George