Košťálov - velkolom v melafyrech
General Characteristics
County (administration):
Liberecký kraj
District (town):
Semily
Village:
Košťálov
Cadastre:
Košťálov
Map sheets:
03-41 Semily, 03-413 Semily
Accessibility:
entry permit for car necessary
Technical object:
quarry
ID:
262
Geology
Short characteristics of the site:
Košťálov, at c. 489 m near to Želechy creek. Active big quarry. Mostly massive hard andesitoide with nodules and veins of pectolite, rare amethyst, zeolites, palygorskite etc. According to Schovánková (1989) subvolcanite body approx. 100 m thick (a sill). A rubbish dump is in the lower old part of the quarry.
Regional geologic unit:
Bohemian Massif > Upper Carboniferous and Permian > Permocarboniferous Volcanics
Stratigraphy:
Permian
Subject:
petrology, mineralogy, volcanology, economic geology, engineering geology, lithology
Geological phenomenon:
intrusion, slickenside, horizontal section, slickenside, characteristic rock, mineral
Genesis:
volcanic
Rock:
melaphyre, dolerite (diabas)
Territorial protection
Level of protection:
Registered geological localities suggested for protection
Part of national geopark:
Bohemian Paradise
Conflicts of interests:
reclamation, waste disposal
References
- Gotthardt J./1933/: Petrografická povaha podkrkonošských melafyrů.-APPVČ, 18,2,65 p.Praha.
- Ziegler V./1977/: Geologické poměry chráněné krajinné oblasti Český ráj.- Bohemia centralis, 6, p.7-42. Praha.
- Ziegler V./MS/: Geologické zajímavosti Českého ráje.-Pečky
- Schovánková D. (1989): Petrologie mladopaleozoických vulkanitů podkrkonošské pánve. - Část 5. Permské bazaltandezity. - MS. Archiv Čes. geol. úst. Praha.
- Prouza, V., red. (v tisku): Základní geologická mapa České republiky 1 : 25 000 s Vysvětlivkami 03-413 Semily. - Česká geologická služba. Praha.
Elaboration and Updating
Elaborated by:
Václav Ziegler, 22.11.1993
Updated by:
Prouza Vladimír, 15.05.2003, Šimůnek Zbyněk, 29.09.2009, Prouza Vladimír, 22.04.2010, Vajskebrová Markéta, 09.11.2020
Citation
The database Important geological localities of the Czech Republic: 262 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/262.
Location in map:
Assessment
Scientifical assesment:
great
Educational assesment:
major
Significance:
supraregional
Representativeness:
major
Geological importance:
significant study profile, 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
