Table of contents Preface 3 Programme 7 Excursions 10 The Elbe Sandstone Mountains 11 Martina Glauche: Concerning the geology of the Elbe Sandstone Mountains 12 E I - Table mountain Quirl 16 E I] - Hohnstein/Polenztal 22 E III - Affenstein area/Front Saxon Switzerland 30 E IV - Tiefe Hohle (Deep Cave) 37 E V - Wohlrabhohle (Wohlrab Cave) 38 E VI - Johannes-Ruscher-Cave 40 Proceedings 44 Jifi Adamovic et al.: Lithological controls on sandstone weathering: a pro­ posal of morphofacies for the humid temperate zone ofEurope 44 Matthias Arnhold: Biospeleology / Saxony sandstone - caves 47 Jin Bruthans et al: Sandstone caves with spherical cavities: Did they ori­ ginate by airflow-induced disintegration during glacial period? 50 Elzbieta Dumnicka, Czesiaw Szura: Variability of environmental conditions and aquatic fauna composition in Jaskinia Miecharska Cave (Beskidy Mts., Outer Carpathians) 51 lstvan Eszterhas: Butterflies like the Caves of the Volcanic Rocks 52 Ludovit Gaal: Current state of tree mould caves research 54 Sandro Galdenzi: Pseudo karst landforms in the Adriatic side ofnorth-east Apennine (Italy) 56 David Holmgren, Andreas Pflitsch: Microclimatological survey of the Ice Gulch in the White Mountains, New Hampshire, USA 72 Tomas Ldnczos et al.: Quartzite Caves of the Venezuelan Table Mountains - Speleogenesis 74 Tomas Ldnczos et al.: Quartzite Caves of the Venezuelan Table Mountains - Speleothems 76 5 http://d-nb.info/1018479511 Wlodzimierz Margielewski et al.: Crevice type caves of Polish Flysch Carpa­ thians and their connection with development of surface mass movements 78 Radek Mikulas, Jifi Adamovic: Oblique notches and ledges on natural surfaces of porous rocks: a record of past level of soil surface (central and western Europe, northeastern Africa) 80 RudolfPavuza: A short treatise on Austrian Pseudokarst-Speleothems 83 Juan Ramon Vidal-Romani et al.: Speleothem development and biological activity in granite cavities 91 Laura Sanna et al.: Two examples ofpseudokarst features in South Supra- monte (Sardinia, Italy) 93 Hartmut Simmert: What is Pseudokarst? 97 Hartmut Simmert: Pseudokarst in the Elbe Sandstone Mountains 101 Branislav Smida et al.: Geomorphology of the largest sandstone caves in the world on the Proterozoic table-mountains Churi and Roraima (Gran Sabana, Venezuela) and their research in the years 2002 - 2009 103 George Szentes: Presentation of some Abrasion Caves in New Zealand near Auckland 108 Jorg Templin: Erosion and corrosion in quartzite sandstone 123 Jan Urban et al.: Caves in the flysch Carpathians detected by ERT method 132 Marcos Vaqueiro-Rodriguez et al.: Pseudokarst in granites: How granite caves are developed - the case of Galician caves 144 Lukas Vlcek: Actual List of the Longest Quartzite Caves in the World (25 Longer than 1 km) (January, 2010) 160 List of participants 176 6 .