Slides in this set
· Geology of Coal Deposits
· Sedimentary Environment of Coal Deposits
Coal seams appear in the geological succession as layers
between repetitive, but NOT identical, sequences of shale,
siltstone, sandstone, ironstone, seatearth and then coal.
The overall ratio of coal to clastic rock is about 1:10 to 1:100.
The max thickness of coal bearing rock in UK occurs in S Wales
where it is about 2.5km thick.…read more