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Lecture 1 - Notes

Environmental Science
Course Code
Nick Eyles

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Glacial Erratic: rocks that picked up by glaciers and deposited elsewhere
Supercontinent: all the continents together; called Pangea, Greek words: pan = all
together & gea = all the lands
There will another supercontinent in about another 200 million years, called
The cycle of supercontinent to break-up to reformation of the supercontinent
happens about every 400 million years
Stratigraphy (a.k.a. Historical Geology): putting rocks in their relative age (age in
relativity to another), different from absolute age
For each landmass we can identify a vector and a velocity; the classroom has the
velocity of the thickness of a piece of paper everyday in the south-west direction
The active plate margin of North America is the edge of B.C.
As the populations start to move into big cities, the risk from natural disasters
Derrick: a drilling tower; The Resolution is a drill boat and is credited for a lot of
discoveries in geology
EES C16 and D07: two undergrad courses that offer field teaching
Paleo = old
Key Concepts to read up for the FIRST TWO quizzes:
Formation of planet Earth 4, 500 million years before present
Continental drift and Pangea; 1912 (Alfred Wegener)
Sea floor spreading: 1960 (Harold Hess)
Magnetic stripes on the ocean floor and wander paths for continents: 1965
(Fred Vine)
Mid-ocean ridges and hot spots: 1965 (Tuzo Wilson)
Plate tectonics and Wilson Cycle: 1967 (Tuzo Wilson)
Differentiation is the process how the earth came into being due to gravity
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