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| Description: Coal Burns energy stored by plants millions of years ago Air pollution Surface scarring Oil and Natural Gas More than 60% of U.S.-consumed energy Remains of marine plants and animals Source rock – where oil and natural gas originate Oil trap – geologic environment allowing oil and gas to accumulate Oil trap – two basic features Reservoir rock Porous and permeable Yields oil and gas in significant quantities Cap rock Impermeable Keeps oil and gas from surface escape Common oil and natural gas traps Anticline – up-arched sedimentary strata Fault trap – displaced strata Salt dome – includes layers of rock salt Stratigraphic (pinchout) trap – original sedimentation pattern Picture Stats: Views: 331 Filesize: 91.11kB Height: 695 Width: 746 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39395 |