A2 Geology water supply

a quiz on some of the things you need to know for A2 geology environmental geology exam

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  • Created by: Jessica
  • Created on: 13-05-12 11:07

1. porosity is...

  • the amount of pore space in a rock or sediment
  • the ability of a rock to transmit fluids such as water
  • the water retained in the pore spaces of rocks below the water table
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Other questions in this quiz

2. permeablilty is....

  • water that does not originate from rainwater
  • the weight of the overlying column of water
  • the ability of a rock to transmit flui such as water and can be expressed as a rate of flow
  • water running in a river

3. four factors affecting porosity:

  • degree of sorting, grain shape, hydrostatic pressure, type of rock
  • degree of sorting, the amount of diagenesis, grain shape, packing of grains
  • height of the water table, grain size, grain shape, the hydraulic gradient
  • grain size, degree of sorting, the thickness of the rock layer, the grain shape

4. rocks can also form secondary porosity through the presence of structures such as joints and faults

  • True
  • False

5. hydrostatic pressure

  • is the pressure at a point in a body of water due to the weight of the overlying column of water
  • the shape of the water table
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