Country diary: dinosaur poo on the banks of the Severn

Aust Cliff, South Gloucestershire: We are after fossils from the upper strata, inaccessible until chunks are torn off by winter ’s teethAust Cliff is half a hill, sliced open like a birthday cake by the River Severn ’s slow knife, exposing two ornamental layers of pink and blue-green mudstone. Right here, about 200m years ago, a red desert was overwhelmed by a balmy ocean. Today, a cold northern sea mingles with a slowly churning river of mud, crossed at this point by the old Severn Bridge, once the longest s ingle-span bridge in the world. The scale of this place, in time, space and ambition, is magnificent.Continue reading...
Source: Guardian Unlimited Science - Category: Science Authors: Tags: Fossils Geology Environment Wales UK news Biology Evolution Science Dinosaurs Zoology Source Type: news