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Origin of “rock cities”, pillars and cleft-conduits in kaolinite-bonded sandstone: New insight from study in sandstone quarry where landforms recently evolve
- 1.0448110 - ÚSMH 2016 RIV CZ eng C - Conference Paper (international conference)
Bruthans, J. - Soukup, J. - Schweigstillová, Jana - Vaculíková, J. - Smutek, D. - Mayo, A. L. - Falteisek, L.
Origin of “rock cities”, pillars and cleft-conduits in kaolinite-bonded sandstone: New insight from study in sandstone quarry where landforms recently evolve.
16th International Congress of Speleology : Czech Republic, Brno July 21-28, 2013 : proceedings. Vol. 3. Prague: Česká speleologická společnost, 2013 - (Filippi, M.; Bosák, P.), s. 247-252. ISBN 978-80-87857-09-0.
[International Congress of Speleology /16./. Brno (CZ), 21.07.2013-28.07.2013]
R&D Projects: GA ČR GA13-28040S
Institutional support: RVO:67985891
Keywords : case hardening erosion * fluidization * overland flow * piping * sandstone landforms
Subject RIV: DB - Geology ; Mineralogy
Based on measurements of relative erodibility, ambient and water-saturated tensile strength at natural and quarry exposures three distinct kinds of surfaces were distinguished (erodible sandstone, sub-vertical fracture surfaces and case hardened surfaces). Erosion proceeded along highly fractured zones.
Permanent Link: http://hdl.handle.net/11104/0249830
Number of the records: 1