EESA06H3 Chapter Notes - Chapter 1-2: Chronological Dating, Archean, Environmental Protection

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Essa06h3 - lecture 1 intro to planet earth. Insight: this course covers material pertaining to the geographic characteristics, formation, history and properties of rocks in ontario and furthermore what such information tells us in terms of geological history of planet earth. I(cid:373)s, je(cid:374)(cid:374)ifer. (cid:862)geologi(cid:272)al ti(cid:373)e (cid:272)ale. (cid:863) geologic timetable, kansas geological survey, 18. Geological layering of ontario (top to bottom): layer vi: the current geological form of ontario formed by the last period of glaciation. Covered by city structures such as streets, buildings, landfills and artificially reshaped landscapes: layer iii: pleistocene glacial sediments formed within the last 2. 5 million years and are up to 200 m thick. This layer of rock contains fossils of marine organisms: layer i: archean and proterozoic canadian shield rocks that date back 1000- 3000 million years old and are at least 40 km thick with the only life form existing being bacteria.

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