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Your sedimentary rock is probably a piece of coal. Coal is
a common rock in Stoke-on-Trent, and until recently there were a number of coal
mines in the area.
Coal formed in tropical swamps with lots of vegetation. As plants died, they
fell to the bottom of the swamp and were covered by other dead plants. As the
layers increased the pressure and heat built up and turned the plant material
into coal.
Coal often contains lots of fossils; usually
plants
but often teeth,
scales
and
jaw
bones of the fish that were living in the swamp. Waste tips from
coal mines, such as those at Hanley Forest Park in Stoke-on-Trent, are a good
place to look for fossils.
Click
here to find out more about coal mining in The Potteries.
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