General Characteristics

County (administration): South Moravia Region
District (town): Blansko
Cadastre: Rudice, Jedovnice
Map 1 : 50 000 (sheet No): 2441, 24411
Geological region: Drahany and Mírov Culm; Moravian and Mladeč karst
Accessibility: - entry permit for car necessary
Excursion locality: yes
ID : 738

Geology

Short characteristics of the site: Blind karst valley with a significant swallow hole (ponor). Jedovnice stream falls down into 80 m deep karst cave. Surrounding rocks are formed of massive, locally brecciated light grey Vilémovice Limestone (Macocha Formation, Frasnian). Cave entrance with significant archeological remains. One of the most important karst localities in the Moravian Karst. Traces of scoria (old ironworks)
Regional geologic unit: Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Moravosilesian region - Moravosilesian Palaeozoicum, Bohemian Massif - crystalline complex and pre-Variscian Palaeozoic - Moravosilesian region - Moravosilesian Palaeozoicum
Stratigraphy: paleozoikum - devon, paleozoikum - devon - svrchní devon - frasn
Subject: quaternary geology, stratigraphy, sedimentology, archeology, geology, geomorphology, botany, mining and mining impacts, hydrogeology, lithology, structural geology, zoology
Geological phenomenon: karst, abyss, karst cave, rock, cliff, karren, scree, river channel, lithological boundary, river terrace, fluvial terrace, horizontal section, rock chimney, rock schelter, varnished stone, gorge, cinder cone, flood plaine, waterfall, outcrop, fossils fauna, vein, fault, characteristic rock
Genesis: sedimentary, gravitational, weathering , anthropogenic (anthropogenic activity), aquatic (water activity), hydrothermal mineralization, organogenic (activity of organisms)
Rock: limestone, shale

Territorial conservation

Level of protection: National nature monument in Protected landscape area
Additional information: See the Digital register of the Agency for Nature Conservation and Landscape Protection of the Czech Republic AOPK ČR
Protection of a geol. phenomenon: A - Protected Area: (declared as Geological and Biological Locality)
Part of LEPA (Large-size especially protected areas): CHKO (Protected landscape area) - Moravský kras
Conflicts of interests: industry

References

Mackovčin P., Jatiová M., Demek J., Slavík P. a kol. (2007): Brněnsko. In: Mackovčin P.(ed): Chráněná území ČR, Svazek IX. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno,str 702, Praha.; Otava, J. et al (in prep.3013): Vysvětlivky k základní geologické mapě 1:25000 list Jedovnice 24-411

Elaboration and Updating

Elaborated by: Dvořák Jaroslav, 22.11.93
Updated by: Gürtlerová Pavla 10.12.08, Otava Jiří 12.12.08, Otava Jiří 26.10.11, Gürtlerová Pavla 20.09.13

Citation

The database Significant geological localities of the Czech Republic: 738 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-12-08]. Available from: http:// lokality.geology.cz/738.

Location in map: