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GEMAS : low density geochemical data for arable and grazing land soils of the UK

Abstract

This report presents low density geochemical data for arable and grazing land soil from the UK. These soil samples were collected by BGS in 2008 as part of the for EuroGeoSurvey’s (EGS) GEochemical MApping of agricultural and grazing land Soil of Europe (GEMAS) project. The first phase of the project involved the collection of soil samples across each participating country at a sample density of 1 per 2500 km2. The BGS contribution for the UK is documented in a separate report IR/08/068. Following collection all samples were prepared and analysed by ICP (AES and MS) following aqua regia extraction. Quality control of the geochemical data was carried out, before each member state received their data individually. This report provides a primary record and presentation of the soil geochemical data for 49 elements (Ag, Al, As, B, Ba, Be, Bi, Ca, Cd, Ce, Co, Cr, Cs, Cu, Fe, Ga, Ge, Hf, Hg, In, K, La, Li, Mg, Mn, Na, Nb, Ni, P, Pb, Rb, S, Sb, Sc, Se, Sn, Sr, Ta, Te, Th, Ti, Tl, U, V, W, Y, Zn and Zr) for the 290 soil samples collected in the UK. Additional to the results of element concentrations this report also presents data on pH, total organic carbon (TOC) and cation exchange capacity (CEC) determined for arable (Ap) and grazing land (Gr) soil samples. The data are displayed as a series of graduated coloured dot maps alongside basic summary statistics to provide an initial overview of the data

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