Natural stuff.

[BC1969]

I know people love rocks and fossils and the like.
I feel like sharing.

 

[SD51]

The bottom one looks like a petrified fruit cake or like our friends in Canada say a "Christmas Cake".

Red Green showed a good use for the cakes...

 

[BC1969]

That's plum puddingstone.
A Michigan favorite.
Here is another.

 

[BC1969]

Want to see some crazy engineering ?
Check out Garage54 on YouTube.
Thanks for the video.

 

[BC1969]

Copper and who knows what else.

 

[BC1969]

 

[BC1969]

 

[A2coins]

That's a cool rock I want one I think I live in the wrong part of Mi

 

[Professor of Engineering]

Very nice formations!