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Trace Element Concentration in Amorphous Clays of Volcanic Ash Soils in Oregon
Trace Element Concentration Amorphous Clays Volcanic Ash Soils
2012/2/20
Clay fractions in soils from a transect of the Mazama ash deposit (6600-yr-old) contained more than 80% amorphous material. Instrumental neutron activation analysis was used to compare the trace eleme...