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Ductility

folded sedimentary rock from a 1.1 billion year old, mostly eroded mountain range that was part of the Grenville Orogeny

 

welcome to the Canadian Shield

 

 

what is it, you ask?

click on the image to zoom into the sign.

one of my replies below has a bit more on the folding.

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Uploaded on December 16, 2016
Taken in October 2016