Geology
Uley Bury is a spur of the Cotswold escarpment, made up of thick beds of inferior oolitic limestone of the Jurassic period, overlying Bridport Sands. Part of the Bury is a Site of Special Scientific Interest (SSSI) famous for abundant fossils of Lower Jurassic age which occur here in the stratum known as the Cephalopod Bed. One particular horizon is especially noted for the ammonites it contains, which indicate that the strata are of early striatulum subzone age. Below in the Bridport Sand strata a thin, isolated sandstone layer contains what are elsewhere very rare ammonites, known as Haugia variabilis.
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