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Sicily, the largest Mediterranean island (with an extension of about 25000km2), exhibits a very wide variety of lithologies, ranging from sedimentary to metamorphic and volcanic rocks.Principal component analysis (PCA) and hierarchical cluster analysis (HCA) have been applied to air kerma values measured by thermoluminescent dosimetry in several sites and to data of radionuclide concentrations, geochemical...
Activity concentrations of 226 Ra (of U-series), 228 Ra (of Th-series) and potassium ( 40 K) in some heavy minerals and building materials were determined and evaluated in some selected heavy mineral sands and building materials. Three heavy mineral sands (monazite, zircon and black sand) of industrial interest were used. Building materials used here include phosphogypsum (PG)...
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