Boršov - jaspisy a acháty
General Characteristics
County (administration):
Pardubický kraj
District (town):
Svitavy
Village:
Moravská Třebová
Cadastre:
Boršov u Moravské Třebové
Map sheets:
14-34 Svitavy, 14-344 Moravská Třebová
Accessibility:
access without footpath
Technical object:
shaft, old mine workings
ID:
2212
Geology
Short characteristics of the site:
Small mining pits. Jasper, agate, amethyst, smoky quartz and rock crystals were excavated there. These minerals occur in serpentinized and talc rich ultrabasic rocks and in the phyllites of the Zábřeh Group. Gems has been collected both by professionals and laymen since 19th century. The locality is recommended for protection.
Regional geologic unit:
Bohemian Massif > Moravosilesian region > Moravosilesian Palaeozoicum
Stratigraphy:
Devonian
Subject:
petrology, mineralogy
Geological phenomenon:
mineral
Genesis:
weathering , metamorphic (general metamorphism)
Rock:
ultramafic rock, serpentine
Territorial protection
Level of protection:
Registered geological localities suggested for protection
Conflicts of interests:
others human activity, collection
References
- Rejchrt Mir. a kolektiv autorů, 2001: Vysvětlivky k základní geologické mapě ČR v měřítku 1 : 25 000 list 14344 Moravská Třebová.- Český geologický ústav Praha.
Elaboration and Updating
Elaborated by:
Miroslav Rejchrt, 10.05.2004
Updated by:
Plíšek Antonín, 10.02.2005, Gürtlerová Pavla, 03.11.2011, Gürtlerová Pavla, 03.11.2011, Kukal Zdeněk, 12.02.2018
Citation
The database Important geological localities of the Czech Republic: 2212 [online]. Prague: Czech Geological Survey, 1998 [cit. 2023-06-16]. Available from: https:// lokality.geology.cz/2212.
Location in map:
Assessment
Scientifical assesment:
medium
Educational assesment:
major
Significance:
supraregional
Representativeness:
middle
Geological importance:
Locality conditions:
You can send information about a change in the status of the site to lokality@geology.cz