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Survey Chapter 9
Survey Chapter 9
7
Environmental Studies
9th Grade
02/27/2013

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Cards

Term
What was the name of the super continent?
Definition
Pangea, meaning of all land
Term
What did Wegenar argue must have once been joined based on fossils?
Definition
South America and Africa must have been joined
Term
What does rock evidence exists in the form of?
Definition
Rock evidence for continental drift exists in the form of several mountain belts that end at one coastline, only to reppear on a londmass across the ocean
Term
Where were areas of glacial till found?
Definition
LAYERS of glacial till were found in the southern Africa and South America, as well as India and Australia. It is interesting that much of the land area that shows evidence of these glaciations now lies near the equator in a subtropical or tropical climate
Term
What could Wegener not describe?
Definition
Wegner could not describe a mechanism that was capable of moving the continents across the globe
Term
What is the new theory known as?
Definition
The new theory was known as plate tectonics. This theory provides the framework for understanding most geologic process, such as the formation of the mountains
Term
What are the segments of the lithosphere called
Definition
Plates
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