Hh
Rift zones are lowlands composed of igneous rock.
Sedimentary
no it's not in lake Erie
granite
Sedimentary.
Bedrock is formed when the molten rock of the mantle cools.
sedimentary
When the mountains got eroded, sediments broke off, and rolled down the mountain into the lowlands, that were oceans at the time, and the pressure from all the rocks fused them together, making it a sheet of sedimentary rock
Erratie , is a rock that was carried from the Canadian Shield 100's of kilometers to the lowlands they are easy to identify because they are not bed rock.
The summer of 2002, in support of the "Cocky" CD. He played the Erie Civic Center and was totally awesome!
index fossil content
Ontario is part of the Canadian Shield, the top layer of which is made up of sedimentary rock but underneath there's roughly 16 km of igneous rock.