Brief definition: Rocks formed by collection of small rock fragments as well as plant and/or animal matter (known as sediments) creating layers.
Where they were formed: The sea bed where fragments have been transported separately by wind, ice and finally water, bringing them to the shore.
How they were formed:
- The weight of the materials above compresses sediments (small rock fragments) downwards to form the rock, with the different fragments creating layers, with separating lines created by 'weakness' or bedding areas.
- Also the remains of plants and animals.
Rock types found in UK: Sandstone, Clay, Limestone, Chalk, Calcium Carbonate, Coal, Flint, Shale, Mudstone
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