Distribuce alkálií v karbonátových horninách líšeňského souvrství v prostoru mezideponie ve východní části velkolomu Mokrá (Moravský kras)

Title in English Alkali distribution in carbonate rocks of the Líšeň Formation in the dump area in the eastern part of the Mokrá Quarry (Moravian Karst)
Authors

ŠTELCL Jindřich ZIMÁK Jiří DONOCIK Roman

Year of publication 2013
Type Article in Periodical
Magazine / Source Geologické výzkumy na Moravě a ve Slezsku
MU Faculty or unit

Faculty of Education

Citation
Field Geology and mineralogy
Keywords Moravian Karst; Líšeň Formation; alkali distribution; limestones; calciturbidites
Description Alkali contents (potassium and sodium) were determined in the carbonate rocks of Líšeň Fm. (limestones and calciturbidites) in the dump area in the eastern part of the Mokrá Quarry (Moravian Karst). The alkali contents are relatively high: the siliciclastic beds in calciturbidites contain 1.8–5.0 wt. % K2O and 0–2.2 wt. % Na2O. The enhanced potassium contents in calciturbidites are associated with feldspar and mica clasts in siliciclastic beds. The sodium contents in siliciclastic beds come from albite (clastic and authigenic). The carbonate beds of the calciturbidites show only very low concentrations of both elements.

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