Přirozená radioaktivita horninového prostředí speleoterapeutické léčebny v Sloupsko-šošůvských jeskyních (Moravský kras)

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Title in English	Natural radioactivity of the rock environment in the speleotherapy medical facility in the Sloupsko-šošůvské Caves (Moravian Karst)
Authors	ŠTELCL Jindřich ZIMÁK Jiří
Year of publication	2004
Type	Article in Periodical
Magazine / Source	Geologické výzkumy na Moravě a ve Slezsku v roce 2003
MU Faculty or unit	Faculty of Science
Citation
Keywords	Moravian Karst; Sloupsko-šošůvské Caves; gamma-spectrometry; natural radioactive elements; speleotherapy
Description	Concentrations of natural radioactive elements (K, U, Th) were measured in Devonian limestones, sinters, cave soils and fluvial cave sediments in the speleotherapy medical facility in the Sloupsko-šošůvské Caves using a field gamma-ray spectrometer. In Devonian limestones, K ranges from 0 to 2.1 %, U from 0 to 5.1 ppm and Th from 0 to 12.2 ppm. Relatively high values of K (0.7 - 3.9 %), U (1.3 - 7.1 ppm) and Th (2.6 - 18.0 ppm) are characteristic of cave soils and cave fluvial sediments. Sinters have low contents of K (0 - 1.1 %), U (1.1 - 3.0 ppm) and Th (0 - 3.6 ppm).