Deposition

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Deposition
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Deposition

• Once material is picked up and ___________ it
  must be __________. Deposition is the
  ___________ of sediments from an erosional system.

Deposited
eroded
release
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Deposition

• Factors that affect deposition are ___________,
  _____________, __________ and the __________ of
  the transporting medium.

particle size
particle shape
density
velocity
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Deposition

• Particle Size-All factors being equal, _________
  particles settle ___________ than smaller ones.
• In running water smaller particles will stay in
  _________ longer.
• As the water slows, ________ particles will
  settle __________.

Larger
faster
suspension
larger
first
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Deposition
vertical

• This is called _____________ sorting.

Particles will settle as follows
smallest
largest
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Deposition
What would 3 series of depositional events look
like?
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Deposition

• Particle Shape-If all other things are equal,
  ________ particles will settle _________ than
  _________ objects.

round
flat
faster
fast
slow
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Deposition
denser

• Particle Density- The ________ the particle the
  __________ the particles will settle.

faster
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Deposition

• Stream Velocity- The _______ the stream is
  moving, the ________ the larger particles will
  stay in suspension.
• On your ESRT there is a stream velocity chart.
  _______ size particles are the _________ and
  boulders are the _________.

faster
longer
clay
smallest
largest
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Deposition

• Different stream velocities will deposit
  different size sediments.
• As a stream reaches a lake the velocity of the
  water _________. Particles will get deposited
  according to the criteria above.

slows
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Deposition
Boulders, pebbles silt clay
precipitates and sand
horizontal
Here we see ____________ Sorting. This has the
larger, heavier particles settle ______.
first
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Deposition

• How a stream deposits sediment depends on shape
  and velocity.
• As a stream turns around a bend, the ___________
  moving water is on the __________ edge.
• Here we see greater erosion.

faster
outside
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Deposition
slower

• The inside edge has ___________ moving water and
  greater _______________ rate.

deposition
Outside edge-Erosion is greater than
deposition
LAKE Inside
Edge-Deposition is
greater than erosion
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Deposition

• There will also be __________ where the
  __________ meets the lake because the water
  velocity is ____________. Here we see
  _____________ sorting.
• If this process continues over many years, an
  __________ lake will form.

deposition
stream
decreasing
horizontal
oxbow
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Deposition
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Deposition
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Deposition
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Deposition
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Deposition
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Deposition

• Glacial deposition is slightly different.
  Glaciers are so big, that they have the ability
  to carry any amount of any size particle. When
  the glacier melts, the material left behind is
  ________________.

unsorted
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Deposition