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PETROLEUM
Lesson 2 - Page 7

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So the story of petroleum accumulation is different depending on plate tectonics, productivity, sediment cover, temperature and bacterial decay. However, we do know that it includes a dynamic living body of water, of mainly marine origin. Organisms are living, eating, and pooping organic matter to the basins below.

Sediments cover the organic matter and through time bacterial action, heat, pressure, cause petroleum to emerge. 

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