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Geography Chapter 2

Paragraph 3; what happens to all the sand, shingle and clay?
by

Lisa Bunda

on 17 January 2013

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Transcript of Geography Chapter 2

What happens to all the sand, shingle and clay? Geography The River Po Flows through the Po valley
Po valley is a low and flat area
Po valley ground consist of meters of sand, shingle and clay
Po starts in Alps
River Po drops sand, shingle and clay in lower reaches
SEDIMENTATION
MEANDERS The Po Delta Paragraph 3 green area in the atlas if you would dig a big hole in the ground where all the sand, shingle and clay comes from this is because the river has to carry more than his own capacity this is the process of a river leaving material behind this is how the bends in a river are called the river flows fast at the
outside of the meander and slow on the inside. that's why erosion takes place on the outside and sedimentation on the inside. The Po River drops the clay he hasn't dropped yet in the sea
if this is done long enough, New land is formed
The Po Delta is the piece of land that sticks out of the Adriatic sea and leads to the Adriatic sea The Sea The sand and clay that is washed away by the sea form sandbanks
beaches are formed on this sandbanks
the waves of the sea make the beach higher
dunes are formed by the sand that is blown over plants/bits of wood OEHOE Sedimentary Rock a layer of sand and clay grains several hundred M. thick, is so tightly compressed it changes into rock. SAND -> SANDSTONE CLAY -> SHALE SHELLS -> LIMESTONE This is why they call it Sedimentary Rock when you drill up pieces of rock, you still see the layers of loose sand + clay. the rocks have remains of shells and plants. these remains are called fossils
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