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USGS CMG InfoBank: Hydrocarbons

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Comment: 22:46 - 23:29 (00:43)
Source: Annenberg/CPB Resources - Earth Revealed - 8. Earth's Structures
Keywords: "Stephen M. Scott", "organic material", microorganism, sediment, carbon, hydrocarbon, "oil well", oil, gas, strata

Our transcription: Typically, petroleum is found in certain sedimentary rocks formed from the decomposition of organic matter.
Petroleum, of course, is generated from the dead or decayed remains of living organisms.
Most of that comes from microorganisms.
And as these organisms die and they're buried with sediments, they become part of the sedimentary section.
Those organisms may, the organic matter may, also be from leafy materials, wood materials, that sort of thing.
Anything that has carbon in it, carbon based materials; hence, the name "hydrocarbon," "liquid carbon."

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