GL5 Resources 2004 Q5 Coal & Environmental Impact MS by 8O7FdJE

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									        GL5 Resources 2004 Q5 Coal &
          Environmental Impact MS
(a) Describe the geological conditions necessary for
    the accumulation of large-scale coal deposits.

(b) Explain the environmental impact of coal mining
    and outline the ways in which the impacts may
    be minimised.
        GL5 Resources 2004 Q5 Coal &
          Environmental Impact MS
(a) Describe the geological conditions necessary for the
accumulation of large-scale coal deposits.

   Description of coal-forming swamps / deltas. Credit
examples.
   Rate of supply of organic material exceeds rate of
decay.
   Rate of burial / subsidence / removal from oxidising
conditions.
   Peat-lignite-bituminous-anthracite progression re heat
and C-content.
        GL5 Resources 2004 Q5 Coal &
          Environmental Impact MS
(b) Explain the environmental impact of coal mining and
outline the ways in which the impacts may be minimised.

Deep mining - subsidence
Open cast - land restoration
Spoil heaps - aesthetic
Methane
Effect on ground water
Legislation / planning controls

								
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