Author(s): Gaal Ludovit
Journal: International Journal of Speleology
ISSN 0392-6672
Volume: 32;
Issue: 1-4;
Start page: 107;
Date: 2003;
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Keywords: caves | tree-mould | opal | chalcedony | andesite | weathering
ABSTRACT
Four tube-shaped caves are described in this work, which origined in consequence of weathering the trees. Their length ranges from 5.8 to 17 m. All of them occur in neovolcanic rocks of Middle Slovakia, in epiclastic andesite conglomerates, breccias or in the tuffs. Some other caverns are close to the entrance of this caves, however they are inaccessible for a man. Thin rim of silicates (opal or chalcedony) occurs in some of them.
Journal: International Journal of Speleology
ISSN 0392-6672
Volume: 32;
Issue: 1-4;
Start page: 107;
Date: 2003;
VIEW PDF


Keywords: caves | tree-mould | opal | chalcedony | andesite | weathering
ABSTRACT
Four tube-shaped caves are described in this work, which origined in consequence of weathering the trees. Their length ranges from 5.8 to 17 m. All of them occur in neovolcanic rocks of Middle Slovakia, in epiclastic andesite conglomerates, breccias or in the tuffs. Some other caverns are close to the entrance of this caves, however they are inaccessible for a man. Thin rim of silicates (opal or chalcedony) occurs in some of them.