EESA06H3 Lecture : Lecture #1EESA06.doc

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27 Apr 2012
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Only records we have based on how the atmosphere evolved is rocks. Glacier erratic made out of a rock called marble, marble use to be a rock called limestone. These erratic tells us about the environment and help geologist put maps together. Continents use to be together about 230 years ago it was called. Pangea which is also called a super continent. Pangea means all the land is together in one place. Later on in millions of years there will be another pangea aka anasia. Stratigraphy putting rocks in their relative age ( im older than you are not exact age) this makes up layers and makes up the evolution of earths surface. * atlantic ocean is still widening and some people argue that it is starting to close. We are at that face that the continent has disperse as far as they can go and they are starting to close. Vector a direction of movement and a velocity.

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