Tuesday 16 April 2013

The Sedimentary rocks


The Sedimentary rocks


Arise sedimentary rocks of the deposition material comminuted or dissolved in water and that results from exposure different rock igneous rocks, sedimentary or metamorphic to activity mechanic where lead to fragmentation Mechanical of rocks due to factors weathering winds, rain and sea waves and others. Different sedimentary rocks for firearms and metamorphic in it with different origins and the origins while metamorphic and igneous origin and the origin of one. The chemical weathering, they lead to the chemical decomposition of most rock-forming minerals,

Then current transport factors such as water, wind, ice, metal transfer decaying solid crumbs components or dissolved. It starts deposition solids when weakens the flow of water or air carrier has, the solutes after the water evaporates the solvent her and spoke sedimentation process in many places of the most important deserts and mountain slopes and in floodplains around rivers and seas, oceans and lakes where consists sediment saline and then consolidated sediments dismantled to be sedimentary rocks and process occurs cohesion either depositing materials carnivorous between granules coarser sediments like pebbles and sand (materials Allajmh common, such as iron oxide and silica and calcium carbonate) or consolidating sediments by pressure sediment Supreme what is underneath the sediments where they are out of water located between the granules sediment Vtaatsalb and be sedimentary rocks.

Associated operations Alarsabih lime and chalk article within the sedimentary rock formation largely exist in nature forms convergent and consistent

There are several colors of these rocks by the main article and the colors that exist red, yellow, and white.

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