The following abstract was taken from the the Chemical Analyses of Soils and Other Surficial Materials of the Conterminous United States Metadata, written by David B. Smith, Research Geologist, U.S. G
The Portsmouth Background Values (https://rais.ornl.gov/tools/ports_background.html) are from a Soil Background Report for the Portsmouth Gaseous Diffusion Plant, which sought to develop a comprehensi
The data set contains 8816 numerical values regarding the content of 9 major elements as oxides: SiO2, TiO2, Al2O3, FeO, MnO2, MgO, CaO, K2O, and Na2O (in %) and 29 trace elements: Sc, V, Cr, Co, Ni,
