Comment: 22:28 - 22:46 (00:18)
Source: Annenberg/CPB Resources - Earth Revealed - 8. Earth's Structures
Keywords: "James Sadd", "Appalachian Mountains", "oil well", "geologic structure", "economic geology", oil, gas, strata, permeability, impermeable, fold
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Our transcription: The intensely folded rocks of the western Appalachian Mountains produced the first commercial oil well in the United States in 1859. Since then, folded strata have been recognized as superb petroleum structures all over the world and have yielded tremendous quantities of oil and gas.
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Geology School Keywords
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