General Characteristics

County (administration): South Bohemia Region
District (town): České Budějovice
Cadastre: Borek u Českých Budějovic, Hosín, Hrdějovice
Map 1 : 50 000 (sheet No): 2244, 22443,22444
Geological region: Šumava Moldanubicum - districts ST, PT, CK, CB, PI
Accessibility: - special entry permit necessary (military area, quarry, private land)
Technical object: old mine workings, mine
ID : 2099

Geology

Short characteristics of the site: South Bohemian basins, Cretaceous. Underground caverns in a deposit of kaolinitic sandstones. Sandstones contain interlayers of claystones and some conglomerate lenses.They belong to the upper parts of the Klikov Formation (Upper Cretaceous). Bedrock consists of biotitic and sillimanite-biotitic paragneiss with its contact with leucocratic migmatite. Technical mining workings are protected there, specially horizontal galleries within kaolinitic sandstones.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Southern Bohemian basins - Cretaceous
Stratigraphy: mezozoikum - křída - svrchní křída
Subject: mining and mining impacts, sedimentology, economic geology, zoology
Geological phenomenon: erosion furrow, concretion , lithological boundary
Genesis: sedimentary, metamorphic (general metamorphism), anthropogenic (anthropogenic activity)
Rock: sandstone, kaolin, claystone, conglomerate

Territorial conservation

Level of protection: Nature monument
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)
Conflicts of interests: tourism

References

Albrecht J. a kol. (2003): Českobudějovicko. In: Mackovčin P. a Sedláček M.(eds.): Chráněná území ČR, svazek VIII. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, str, Praha. Albrecht J. a kol. (2003): Českobudějovicko. In: Mackovčin P. a Sedláček M.(eds.): Chráněná území ČR, svazek VIII. Agentura ochrany přírody a krajiny ČR a EkoCentrum Brno, str.129 Praha.

Elaboration and Updating

Elaborated by: Jirková Pavlína, 09.11.09
Updated by: Seifert Antonín 14.09.10, Seifert Antonín 14.09.10

Citation

The database Significant geological localities of the Czech Republic: 2099 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-04-30]. Available from: http:// lokality.geology.cz/2099.

Location in map: