Cazalet, Peter Christopher David (1968)
Investigations of the profile characteristics, development and distribution of the soils of part of the southern Pennines.
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This thesis presents the results of detailed field and laboratory investigations of the soils developed over Carboniferous rocks in some 35 square miles of North Staffordshire and Derbyshire uplands. Information about the geology, morphology, climate and vegetation was collected as a background to the soil studies. The significance of this environmental information is discussed in relation to soil development. About 170 soil profiles were described of which 50 selected to illustrate the range of profiles encountered these profiles, which fall into four main morphological groups, are used to define units for subsequent mapping by auger. The problems associated with auger mapping of soils are discussed. Laboratory studies were confined to the investigation of the particle size distribution, certain micromorphological features and the iron distribution of the soils. It is suggested that the joint use of these techniques has considerably elucidated the problems of soil origin and development in the study area. A new particle size analysis method, developed by the author for this study, is discussed and compared with the standard sedimentation technique. Although the soil units are not given Series names, they are compared with the units recognised in local and general British classifications. The soils are also classified according to the current American system and the additional laboratory information required for this purpose is included. The groups of soils thus obtained are compared with equivalent groups in the British system and the relative merits of each classification are discussed from the standpoint of the present study. The origin and development of the soils is discussed. It is argued that although there are indications of soil development during the Bast (Eemian) Interglacial most development dates from the Pausdorf (Weichselian) Interstadial, or is a Post-Glacial phenomenon. There seems to be little indication of polycyclic development, but widespread evidence of polygenetic soil formation.
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Institution: University of London, Bedford College (United Kingdom).