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Natural gamma-ray spectra of Terra rossa soil and phosphate ore
Abstract Gamma-ray spectra of terra rossa soil and natural-phosphate ore have been measured in order to determine Th, U, K and 137Cs contents. It has been found that the phosphate ore contains an order of magnitude lower potassium content than average (n.10−3g/g), an average content of thorium (n.10−6g/g), and a two orders of magnitude higher concentration of uranium (n.10−4g/g) than the averages found in the Earth's crust. Terra rossa contains two to three times higher concentrations of Th and U, average concentrations of K, and up to 0.2 Bq/g of 137Cs. Both materials, in our opinion, are suitable for large-sample-calibration purposes and are applicable for radioecological studies of soils.
Natural gamma-ray spectra of Terra rossa soil and phosphate ore
Abstract Gamma-ray spectra of terra rossa soil and natural-phosphate ore have been measured in order to determine Th, U, K and 137Cs contents. It has been found that the phosphate ore contains an order of magnitude lower potassium content than average (n.10−3g/g), an average content of thorium (n.10−6g/g), and a two orders of magnitude higher concentration of uranium (n.10−4g/g) than the averages found in the Earth's crust. Terra rossa contains two to three times higher concentrations of Th and U, average concentrations of K, and up to 0.2 Bq/g of 137Cs. Both materials, in our opinion, are suitable for large-sample-calibration purposes and are applicable for radioecological studies of soils.
Natural gamma-ray spectra of Terra rossa soil and phosphate ore
Kukoč, A.H. (author)
Environmental International ; 3 ; 385-387
1980-01-01
3 pages
Article (Journal)
Electronic Resource
English
Geochemical and Geotechnical Features of Terra Rossa in Karst Areas of Southern Appalachians
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