Wednesday 10 April 2013

Rock Types at Lulworth

Rock Type
Sediment
Picture
Chalk - limestone
Marine Organisms
 
Greensand - sandstone
Sand grains
 
Wealden Beds – Sandstone, clays
Sand grains, clays and organic matter
 
Purbeck Beds – limestone, clays, shales
Shells, clay, silt
 
Portland Limestone
shells
 

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