
Kněžnice - lom
General Characteristics
County (administration):
Královéhradecký kraj
District (town):
Jičín
Village:
Kněžnice
Cadastre:
Kněžnice
Map sheets:
03-34 Sobotka, 03-342 Rovensko p.T.
Accessibility:
access without footpath
Technical object:
quarry
ID:
3216
Geology
Short characteristics of the site:
Bohemian Cretaceous Basin. Old abandoned pit quarry, almost completely vegetated. Fine grained sandstones and with variable silty admixture belonging stratigraphically to the Jizera Formation. Carbonate concentrated into concretions in places. List of fossils available in literature. Bioturbation is abundant.
Regional geologic unit:
Bohemian Massif > Cretaceous of the Bohemian Massif > Bohemian Cretaceous Basin > Bohemian Cretaceous Basin - Jizera development
Stratigraphy:
Upper Cretaceous
Subject:
lithology, paleontology
Geological phenomenon:
outcrop
Genesis:
sedimentary
Rock:
opuka (aranaceous marlstone)
Territorial protection
Level of protection:
Registered interesting geological localities
Part of national geopark:
Bohemian Paradise
Conflicts of interests:
reclamation, waste disposal
References
- Čech, S., et.al. (2011): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 03-342 Rovensko pod Troskami. - Česká geologická služba. Praha.
- FRIČ, A. (1885): Studie v oboru křídového útvaru v Čechách. Paleontologické prozkoumání jednotlivých vrstev. 3. Jizerské vrstvy. – Arch. přírodověd. prozk. Čech., 5, 2, geol. odd., 1–132. Praha.
- KOŠŤÁK, M. (2011): Křída. In. Košťák, M. –Mazuch, M. eds. (2011): Putování naším pravěkem. – Granit, 42 – 63. Praha
Elaboration and Updating
Elaborated by:
Pavel Čáp, 14.07.2010
Updated by:
Čech Stanislav, 12.11.2011
Citation
The database Important geological localities of the Czech Republic: 3216 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3216.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
middle
Significance:
regional
Representativeness:
minor
Geological importance:
paleontological type locality
Locality conditions:
poor
You can send information about a change in the status of the site to lokality@geology.cz

