Sedimentary Rock

      Sandstone hills that used to be underwater 




Sand and pebbles are carried downhill 
by a river and deposited in layers. Future sandstone development begins with sediment. Some examples of
sediment: sand, clay and gravel

Each band in sandstone shows a
layer of sand and sediment that
was compressed and cemented for
millions of years.









Sedimentary rock forms from sand and sediment  


Shows small piece of rock being carried by river

The river transports bits of rock, and deposits them on the bottom of the river bed.

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