Rock my world

Hobby interest in geology ... this is cool.
Core of the North American Craton.

Rocks May Be Oldest on Earth, Scientists Say - NYTimes.com:

"A swath of bedrock in northern Quebec may be the oldest known piece of the earth’s crust."

Nuvvuagittuq supracrustal belt,Ungava Peninsula, North East Coast of Hudson Bay.
A few degrees East of Due North of here.

Should be centered here

May be 4.28 Billion years old.
Photo NYTimes