General Characteristics

County (administration): Pardubice Region
District (town): Svitavy
Cadastre: Moravský Lačnov
Map 1 : 50 000 (sheet No): 1434, 14343
Geological region: Czech Cretaceous Basin - E-Bohemian and W-Moravian Cretaceous; Chrudim Cretaceous; Králíky Furrow; Police Basin
Technical object: sand pit
ID : 2216

Geology

Short characteristics of the site: A flooded sand pit near the head of the Lačnovský potok Stream near Javorník, north of Svitavy. The pit exposes subarkoses of the Březno Formation (Coniacian), formerly 6 to 9 m high, with a visible bed of fossiliferous calcareous conglomerate about 1 m above the water level. Pebbles are formed by crystalline rocks and Jurassic cherts. The conglomerate contains fossil fauna including ammonites and bivalves. Bohemian Cretaceous Basin.
Regional geologic unit: Bohemian Massif - superficial deposits and post-Variscian magmatites - Cretaceous - Czech Cretaceous Basin
Stratigraphy: mezozoikum - křída - svrchní křída - coniak
Subject: sedimentology, economic geology, mining and mining impacts, paleontology, stratigraphy
Geological phenomenon: characteristic rock
Genesis: sedimentary
Rock: conglomerate, sandstone

Territorial conservation

Level of protection: Registered interesting geological localities
Protection of a geol. phenomenon: C - Geological phenomenon is the reason for a registration in the database of CGS
Conflicts of interests: without conflicts

References

Čech S. a kolektiv autorů, 2002: Vysvětlivky k základní geologické mapě ČR v měřítku 1 : 25 000 list 14343 Svitavy.- Česká geologická služba Praha.

Elaboration and Updating

Elaborated by: Čech Stanislav, Valigurský L., Vít J., 11.05.04
Updated by: Plíšek Antonín 24.01.05

Citation

The database Significant geological localities of the Czech Republic: 2216 [online]. Prague: Czech Geological Survey, 1998 [cit. 2024-05-05]. Available from: http:// lokality.geology.cz/2216.

Location in map: