Geology Review

Sediment- consists of loose fragments of wavers or minerals broken off bed tremble, mineral crystals that coruscation directly out of pee, and shells. Sediment rock- rock that forms at or near that surface of the Earth by the precipitation of minerals from piss solutions, by the growth of skeletal hearty in organisms, or by the cementing together of shell fragments or of loose grains derived from hold up rock. Weathering- processes that break up and corrode solid rock, eventually transforming it into sediment. material weathering- also mechanical weathering, breaks intact rock into unconnected grains or chunks. Boulders, cobbles, pebbles, sand, silt, mud. Jointing- natural cracks that form in rocks due to removal of load up or due to cooling. Some junctions are fairly planar, whatever curving, some irregular. Frost wedging- when the water trapped in a articulate freezes, it forces the joint open and may cause the joint to grow. Root wedging- tree roots that grow into joints can rival those joints open. Salt wedging- pushes apart the surrounding grains and so weakens the rock that when open to wind and rain, the rock disintegrates into separate grains. Thermal expansion- creates forces in the rock sufficient to make the outer part of the rock spall, or break off into sheet-like pieces.

Animal attack- burrowing creatures, from earthworms to gophers, push open cracks and washing soda off rock fragments. Chemical weathering- the chemical reactions that alter or repeal minerals when rock comes in contact with water solutions or air. Saprolite- chemical weathering in warm, wet climates can produce a bottom of rot ten rock called saprolite. Dissolution- min! erals dissolve into water Hydrolysis- water chemically reacts with minerals and breaks them down. Transforms felspar into clay. Oxidation- reaction during which an element loses electrons as an oxidation reaction. Hydration- the concentration of water into the crystal structure of...If you want to get a sufficient essay, order it on our website: OrderEssay.net

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