Apolda fault zone
The Apolda fault zone is a geological fault zone in the Weimarer Land district of Thuringia, which strikes from north-northeast to south-southwest . It stretches from the eponymous town of Apolda to about Loßnitz in the far east of Blankenhain .
The northern part of the fault zone runs along the Herressener Bach ; it separates two parts of the Bleicherode – Stadtrodaer Scholle , namely the Bleicherode – Sömmerdaer Scholle with the Ettersberg in the northwest and the Jenaer Scholle , the northeast part of the Ilm-Saale-Platte around Jena , in the southeast.
Northwest Magdala crosses the Apoldaer fault zone obtuse the hercynisch extending vent home light castle-interference zone (or the Magdalaer trench ), southern which they, moved slightly to the southeast, approximately to the upper reaches of the Magdel follows.
Apoldaer and Denstedter Mulde
Immediately to the west of the Apolda fault zone and the Herressener Bach is the Apoldaer Mulde , which to the north of Apolda converges with the Denstedter Mulde (named after Denstedt ) accompanying the lower course of the Ilm . The core of both hollows is Lower Keuper, with loess and loess derivatives as the youngest rock layer. In the south-west, the two hollows are separated by a maximum 314 m high shell limestone spur of the Ilm-Saale-Platte , which merges with silt and clay stones at the confluence between Herressener Bach and Ilm in Mittleren Keuper . Further to the northeast, the Ilm Valley forms an approximate southeastern border of the Thuringian Basin .
The structure of the trough triangle at an acute angle to Apolda's northeast suggests a drifting apart of the limestone ridges of Ettersberg and Jenaer Scholle as one of the causes (see map above).
Individual evidence
- ↑ Hydrogeological map of Thuringia from the Thuringian State Institute for Environment and Geology (PDF; 4.37 MB) ( Even finer maps are available for each district .)
Web links
- D. Franke: Regionalgeologie Ost - Geological online lexicon for East Germany