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The influence of waterlogging and variations in pedology and ignition upon resultant susceptibilities: a series of laboratory reconstructions
Author(s) -
Weston D. G.
Publication year - 2004
Publication title -
archaeological prospection
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.785
H-Index - 38
eISSN - 1099-0763
pISSN - 1075-2196
DOI - 10.1002/arp.230
Subject(s) - water table , soil texture , soil water , waterlogging (archaeology) , geology , pedology , soil science , groundwater , loss on ignition , magnetic susceptibility , usda soil taxonomy , texture (cosmology) , mineralogy , geochemistry , soil classification , chemistry , geotechnical engineering , environmental chemistry , ecology , wetland , artificial intelligence , biology , computer science , image (mathematics) , crystallography
Magnetic survey techniques, such as fluxgate gradiometry, depend greatly on bodies of soil developing enhanced magnetic susceptibilities. Coarse mineral soils, especially those subject to a high groundwater table, often fail to develop enhanced susceptibilities and gradiometry. An example of this is Easingwold, in the Vale of York, UK. Gradiometry detected very little, however, subsequent excavation uncovered a complex of features suggesting multiphase activity and evidence for industry. This non‐detection is attributed to the coarse mineral soils and the high watertable. Several laboratory reconstructions were made to investigate the influence of specific characteristics of soil and ignition episode upon susceptibility. It was found that variations in soil texture had marked impacts on the levels of susceptibility attained, as did waterlogging. Leaching had a limited effect upon soil magnetic susceptibility, but there was variation according to texture. Copyright © 2004 John Wiley & Sons, Ltd.