The Canadian Encyclopedia explains clearly that, fundamental to all ordering of events of the Earth's history, is the principle of the positional relationships of rock and mineral bodies.
Having recently read through various surveys and historical accounts of the Toronto bedrock, I am completely captivated by our timeline, which brings us back to the Gerogeian Bay Formation, 450,000,000 years ago.
Inspired by layers and textures of surfaces and sections, these few images are a great resource.
about the author
I like to think that the large works on paper on which I assemble different drawing methods represent a kind of inventory or document about the state of the our urban rivers.