Horsts and Grabens:  A field trip to Cleeve Hill , Gloucester with Nick Cridlaw.  8th Oct 2023

by Jane Allum Towards the end of the Palaeozoic (c.290m years ago), the north south trending Severn Basin began to form between what is now the Malverns, the Birmingham area and the Gloucestershire Oxfordshire border. Subsidence of the basin continued as sediments were deposited  through the Triassic and early Jurassic. At that time the UK …

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