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Other examples of continuum models of fault zone hydrogeology include finelygridded models of a fault in a sand–shale sequence to analyze the effect of varying fault permeabilities on fluid flow patterns and pressure compartmentalization in hydrocarbon reservoirs in the Gulf of Mexico (Mattha239 and Roberts 1996) and models of hydrothermal

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Appendix:Dictionary of Mining Mineral and Related Terms/S/6. Definition from Wiktionary the free dictionary Dust arising from the crushing or other dry working of sand sandstone trap granite and other igneous rocks is included in this class. Silicon is not found free in nature but occurs as the oxide and silicate. Sand quartz

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