Sentences with phrase «cracks of rock layers»
Some carbon byproducts get pumped below ground to seep into the cracks of rock layers deep below the surface, a process that we already know causes huge chemical changes in the rock.
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As this water moves through rocks, it dissolves salt compounds and pushes through fractures in the overlying ice to form reservoirs closer the moon's surface, where it is expelled into space when the outermost layer of the crust cracks open and the resulting depressurization of these reservoirs causes water vapor and ice particles to shoot out in the observed plumes.
Gas wells are punched deep into the earth; layers of rock are then «cracked» by injecting sand - and chemical - filled water under great pressure - the so - called «fracing» process - allowing natural gas to escape to the surface via well head, and so it is feared, allowing contaminants from fracing fluids to move into nearby water wells.