Report Cr/01/096N a Mineralogical Examination of a Magnetic Tropical Brown Soil from Cambodia and a Possible Synthetic Analogue Made with Soil from Devon
REPORT CR/01/096N A MINERALOGICAL EXAMINATION OF A MAGNETIC TROPICAL BROWN SOIL FROM CAMBODIA AND A POSSIBLE SYNTHETIC ANALOGUE MADE WITH SOIL FROM DEVON M T Styles, D C Entwisle, D A Gunn, E Hodgkinson, P D Jackson, S J Kemp, L M Nelder, K J Northmore and E J Steadman British Geological Survey Keyworth Nottingham United Kingdom NG12 5GG British Geological Survey COMMISSIONED REPORT CR/01/096N A MINERALOGICAL EXAMINATION OF A MAGNETIC TROPICAL BROWN SOIL FROM CAMBODIA AND A POSSIBLE SYNTHETIC ANALOGUE MADE WITH SOIL FROM DEVON M T Styles, D C Entwisle, D A Gunn, E Hodgkinson, P D Jackson, S J Kemp, L M Nelder, K J Northmore and E J Steadman Date: June 2001 Classification: Open Geographical index: Cambodia, Devon UK Keywords: Mine detectors, tropical red soils, SEM, XRD,magnetic susceptibilty, resistivity Bibliographic reference: BGS Commissioned Report CR/01/096N A mineralogical examination of a magnetic tropical brown soil from Cambodia and a possible synthetic analogue made with soil from Devon M T Styles, D C Entwisle, D A Gunn, E Hodgkinson, P D Jackson, S J Kemp, L M Nelder, K J Northmore and E J Steadman Front cover illustration: Aggregated grains in clay soil from Cambodia NERC 2001 Keyworth, Nottingham, British Geological Survey, 2001 BGS Report CR/01/096N 04/07/01 Table of contents 1. Introduction .............................................................................................................. 1 2. General comments on tropical clay soils pertinent to the investigations undertaken in this report. .................................................................................................................2 2.1 Formation of tropical clay soils (pedogenesis) ................................................. 2 2.2 Moisture sensitivity of tropical clay soils ......................................................... 4 2.3 The Cambodian “Battambang soil” investigated in the current study.
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