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Titanium and Zr were analyzed in 10 weathering and pedogenetic soil profiles developed on granitic rocks from NW Spain. Concentrations were obtained by XRF and the Ti and Zr-bearing minerals were studied by petrographical, SEM and EDS analysis. Both elements were measured in rock, bulk soil and granulometric fractions (sand: 2000–50 μm, silt: 50–2 μm, clay: <2 μm).Titanium concentrations in the...
Uranium and thorium were analyzed in seven weathering and pedogenetic soil profiles developed on granitic rocks from NW Spain. Concentrations were measured by X-ray fluorescence spectrometry (XRF) and the U- and Th-bearing minerals were studied by scanning electron microscopy (SEM) and energy dispersive X-ray spectrometry (EDS). Both elements were determined in rock, bulk soil and in different grain-size...
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