Dobývky na zlato nad Hertvíkovicemi
General Characteristics
County (administration):
Královéhradecký kraj
District (town):
Trutnov
Village:
Rudník
Cadastre:
Javorník v Krkonoších
Map sheets:
03-42 Trutnov, 03-423 Svobodna n.Ú.
Accessibility:
passable footpath
Technical object:
old mine workings, collapse sink, prospection hole, placer
ID:
3470
Geology
Short characteristics of the site:
Palaeozoic of the Krkonoše-Jizera Crystalline Complex. Old mining workings. They can be traced along fracture zone. Gold was possibly deposited from low-temperature fluids. Small outcrops expose interesting alkaline feldspar-hornblende syenite, Th- U- and K-rich. Its occurrence corresponds with gamma-spectrometric anomaly.
Regional geologic unit:
Bohemian Massif > Lugicum > -Krkonoše-Jizerské hory Mts. crystalline complex
Stratigraphy:
Paleozoic
Subject:
geology, structural geology, economic geology, archeology, mining and mining impacts, mineralogy, petrology
Geological phenomenon:
ore mineralization, fault
Genesis:
metamorphic (general metamorphism), magmatic, hydrothermal mineralization, anthropogenic (anthropogenic activity)
Rock:
syenite, mica schist
Territorial protection
Level of protection:
Interesting geological localities in National park
Conflicts of interests:
without conflicts
References
- Martínek, K. ed. (2012): Vysvětlivky k základní geologické mapě České republiky 1:25 000, list Svoboda nad Úpou 03-423.
Elaboration and Updating
Elaborated by:
Karel Martínek, 08.03.2012
Updated by:
Kukal Zdeněk, 26.11.2012, Martínek Karel, 14.02.2013
Citation
The database Important geological localities of the Czech Republic: 3470 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/3470.
Location in map:
Assessment
Scientifical assesment:
great
Educational assesment:
middle
Significance:
supraregional
Representativeness:
middle
Geological importance:
geo-historical value, geo-regional value (mapping)
Locality conditions:
acceptable
You can send information about a change in the status of the site to lokality@geology.cz
