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Related Flashcards
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Cards In This Set
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What is physical geology?
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Examines Earth materials and seeks to understand the many processes that operate on our planet
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What is historical geology?
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Seeks an understanding of the origin of Earth and its development through time
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What are some problems adressed by geology?
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Natural hazards, resources, world population growth, and environmental issues
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What are Earth's four spheres?
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Hydrosphere, Atmosphere, Biosphere, Geosphere
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What is Catastrophism?
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Sudden worldwide upheavels
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What is uniformitarianism?
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Processes occurring today also occurred in the past at about the same rate.
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Who said "the present is the key to the past"?
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James Hutton
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What are earth's four layers?
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Lithosphere, Asthenosphere, Mesosphere, Inner and Outer core
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What is the Lithosphere?
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Crust and strong part of upper mantle
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What is the athenosphere?
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Weak part of mantle that is molten in some parts
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What is the Mesosphere?
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Lower mantle (stronger than athenosphere
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What are 3 parts of the ocean?
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Continental margins, deep ocean basins, ocean ridge system
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What are the 3 types of rocks?
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Igneous, sedimentary, metamorphis
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Who was Alfred Wagner?
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Continental drift hypothisis
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When did wagner get continental drift idea?
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1915
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