Topic_17___Resources - Topic 17: Resources & Consumption A....

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A. Definition 1. Resources are any natural biological or inorganic material that has a practical value 2. Consumption is the rate of use of a resource B. Energy Resources i. Coal 1. From plant material (C, O, H) 2. Occurs as a sedimentary rock and in layers younger than Silurian 3. Burning releases solar energy trapped in plant material 4. Accumulated in ancient swamps a. Greatest accumulation in Pennsylvanian-Permian b. Second greatest accumulation in Cretaceous of Russia and China 5. 30% of commercial energy use today globally 6. Reserves will last 200-500 years at current usage 7. Burning emits CO 2 , S and soot 8. Contributes to air pollution, global warming, acid rain 9. Non-renewable ii. Oil 1. From decomposition of ancient animal and plant life (C, O, H, N, S) 2. Occurs as a fluid in the pore spaces of sedimentary rocks (petroleum traps) 3. 60% occurs in Mesozoic and younger rocks
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4. Petroleum (oil +natural gas) provides 60% of commercial energy use today globally
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a. Mostly for transportation
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This note was uploaded on 09/02/2009 for the course GEO 302C taught by Professor Yang during the Spring '08 term at University of Texas at Austin.

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Topic_17___Resources - Topic 17: Resources & Consumption A....

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