Homberk

General Characteristics

County (administration): Plzeňský kraj
District (town): Rokycany
Village: Příkosice
Cadastre: Příkosice
Map sheets: 22-12 Březnice, 22-121 Mirošov
Technical object: quarry
ID: 4157


Geology

Short characteristics of the site: Outcrop of Neoproterozoic pillow lavas, pillows are well rounded (0,3x1,5m); these rocks are considered to be part of Neoproterozoic-Lower Paleozoic accretionary wedge (Hajná et al.2013, 2018)
Regional geologic unit: Bohemian Massif > Bohemicum > Barrandien > Barrandien - Paleozoic > Kralupy - Zbraslav Group
Stratigraphy: Neoproterozoic
Subject: volcanology
Geological phenomenon: spherical structure, lava
Genesis: volcanic
Rock: spilite


Territorial protection

Level of protection: Registered interesting geological localities
Part of national geopark: Barrandien
Conflicts of interests: vegetation


References
  • Stárková et. al. (2019): Vysvětlivky k Základní geologické mapě 1: 25 000 list 22-121 Mirošov. - MS ČGS Geofond Praha.
  • HAJNÁ, J. – ŽÁK, J. – DÖRR, W. – KACHLÍK, V – SLÁMA, J. (2018): New constraints from detrital zircon ages on prolonged, multiphase transition from the Cadomian accretionary orogen to apassive margin of Gondwana. – Precambrian Research,Volume 317, 159–178.

Elaboration and Updating

Elaborated by: Marcela Stárková, 07.08.2019
Updated by:


Citation

The database Important geological localities of the Czech Republic: 4157 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/4157.


Location in map:

Assessment

Scientifical assesment: medium
Educational assesment: major
Significance: regional
Representativeness: middle
Geological importance: geo-historical value, geo-regional value (mapping)
Excursion locality: yes
Locality conditions: acceptable

You can send information about a change in the status of the site to lokality@geology.cz


© ČGS 2024, verze: 1.01 - 5.5.14 [21.02.2024]