sedimentary rock

SEDIMENTARY  ROCK 
                                                                                             SEDIMENTARY ROCK ARE FORMED BY SEDIMENT       THAT IS DEPOSITED OVER TIME,USUALLY AT THE   BOTTOM OF LAKES AND OCEANS.
  


   THIS SEDIMENT CAN INCLUDE MINERALS, SMALL PIECES OF PLANTS 0R OTHER ORGANIC MATTER.
IT IS COMPRESSED OVER A LONG PERIOD OF TIME BEFORE CREATING A ROCK .
       

   



FOSSILS CAN BE FOUND IN SEDEMENTARI ROCK          

trital or clastic rocks (more than 50% of terrigenous). Ruditas or conglomerates (puddles and breccias), sandstones, shales (siltstones, clays or claystones). not detrital (less than 50% of terrigenous), which in turn can be subdivided into: of chemical or biogeochemical precipitation. Limestones, dolomites, evaporites, siliceous rocks (silex, chert). This group includes residual rocks (aluminose rocks or bauxite and ferruginous or laterite rocks). Organogenic (deposit of organic fragments of animals and / or vegetables). Coal, oil



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