Abstract
A complex of superposed weathering profiles forms the dominant feature of the geology of the East Devon tableland. In the Palaeocene, a lateritic weathering profile, the Combpyne Soil, formed as Chalk deposits underwent dissolution beneath their Tertiary overburden. The profile is well differentiated and polygenetic. The Peak Hill Gravels represent reworked pallid and mottled zones and occur extensively over the tableland. Red earths survive in isolated pockets in the subsequent land surface and traces of laterites occur. In the Sidmouth area. following earth movements in the early Eocene, the Seven Stones Soil was formed. Chemical weathering was less intense than in the older profile. Silcrete formed in both profiles in the Sidmouth area. During the later Tertiary but especially in the Pleistocene these earlier profiles suffered erosion and local redistribution to form the Mutters Moor Gravels. Quaternary soils are developed on fresher Permo-Triassic rocks where the tableland is deeply dissected and are also superposed at various levels of erosion in the older profiles on the plateau surface.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
