Long Haderholz Route: G
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At the Long Haderholz Route in the heart of the We are looking forward to seeing you! Discover the region around the and visit our Thuringian Forest Mountains you can see different GROßER INSELSBERG GEO-INFOCENTRES ! types of rocks: volcanic rocks, sedimentary rocks and Contact: metamorphic rocks. Some of them are 300 Million Tourist information Floh-Seligenthal years old. Bahnhofstraße 4 Here, in this small area a big part of the geological Tel.: 03683/408848, Fax: 03683/408850 diversity of the Geopark is unfolding. Email: [email protected] 370 m above sea level parking lot You might even find a small piece of Black Gold, since Opening hours: 11.0 the trail passes through an old coal mining area. The Monday and Friday: 9 - 12 am peaks of the Hohe Warte, locally known as the Tuesday: 9 - 12 am and 1 - 4.30 pm 10 1 “Howete”, and the Haderholzstein present magni- Wednesday: 1 - 4.30 pm ficent views of the Thuringian Forest. Thursday: 9 - 12 am und 1 - 5.30 pm distance (km) 6 15 Tipp: take a stone from the Haderholzgrund with you Geopark geologist: to the top of the highest hill – you will see why when Dipl. Geol. Stephan Brauner you get there…. Tel.: 03623-332014 [email protected] 13 12 GeoRoute: Imprint: Inselsberg-Drei Gleichen Length: approx. 11 km Duration: 5- 6 hours Gemeinde Floh-Seligenthal difficult Bahnhofstr. 4, 98593 Floh-Seligenthal Degree of difficulty: medium (see elevation profile) Expert consultants and GeoPark management: Sports field in Seligenthal Start: e.t.a. Sachverständigenbüro Reyer 5 The route can be hiked in both directions. It is 13 Haarbergstraße 37, 99097 Erfurt recommended to begin your walk towards the 8 Tel.: 0361-4229000, Fax.: 0361-4229005 moderate Haderholzstein. E-Mail: [email protected] Arriving by bus: www.eta-reyer.de 7 Bus lines 448, 452, 453 serve the stops in Authors: Seligenthal, Kleinschmalkalden, Hohleborn easy Dieter Usbeck, Rolf Danz, Nancy Schröter, (Info: www.mbb-mgn.de) Stephan Brauner, Anke Penndorf, Sylvia Reyer-Rohde, 6 Note: Birgit Fuhrmann, Antje Raßloff (Graphikdesign) There are no places to eat directly along the GeoRou- Fotos: te. Bus services are available for the section between D. Usbeck, S. Brauner, K. Fohlert, C. Höfer Kleinschmalkalden and the sports field Seligenthal. 7 2 Übersichtskarte: © mr-kartographie Gotha T R A 370 m above sea level parking lot T S 0 GeoPark Thüringen Please ask for our qualified All information subject to typesetting and typographical errors. First edition September 2019 700 600 500 400 elevation (m) elevation profile for the Long Haderholz Route: Geopark Guides Visit our other GeoRoutes in the GeoPark! to enhance your Geopark experience. Note: The general map of the GeoRoute is not Booking & more information: suitable as a trail map.Trail maps can be purchased in the tourist information. Touristinformation in Floh-Seligenthal. 12 www.thueringer- geopark.de www.floh-seligenthal.de Nationaler Attractions along the GeoRoute 1 5 View of the Falkenburgstein hill 129 Rhyolite spur 15 Granite porphyry dike at the Wire Factory Hohleborn - Museum Schloss Wilhelmsburg in Schmalkalden Timetable of the geological development of the Geopark - lookout with a view of the Falkenburgstein hill - Rhyolith of the type “Haderholz porphyry“ is a very - Granite porphyry dike penetrates the gneisses of the “Long Haderholz Route“ - Mommelstein Cycle Route with the viaduct outside of age in Mio. years (composed of Haderholz porphyry (see No. 7 ) hard and resistant volcanic rock that often forms rock Hohleborn formation (around 295 million years ago) 1 Kleinschmalkalden and an important geotope: a “Zechstein today 1 Well in Haderholzgrund - historic monument with archaeological remains of an spurs and buttes (see No. 77 ) - Granite porphyry has been fractured tectonically and discontinuity“ exposed along the 200 m long former railway Quaternary 2 - artesian well ancient fortification partially deformed cutting Alpine Orogeny - original enclosure from 1831, renewed later - Breeding ground for peregrine falcons (Falco peregrinus) 10 Lake horizon - Gneiss was formed by metamorphism around 350 million - Mudrocks from the Ilmenau Formation (approx. 295 million years ago To learn more about Inns and restaurants near the Long Haderholz Route 190 Lias 2 6 Münzhöhle (colloquially: Moinzehöhle) years old) Jurassic volcanism you can walk Granite grus pit in the Silgetal Café und Pension Leffler - Kleinschmalkalden granite - natural cave (eroded joint in the Haderholz porphyry) - Sapropel deposits of a former lake, 16 Quarry and rock spur at the Hundsrück the nearby Volcano Haderholzstr.13, OT Seligenthal, 03683/ 608101, 200 - presumed location of a counterfeit coin production - typical fossils: fish, newt-like amphibians - gneisses of the Hohleborn formation penetrated by thick Route Kleinschmalkal- - Age: approx. 335 million years (Carboniferous) open: daily from 12 am workshop around 1600 (branchiosaurs) and ostracods “mixed” dikes den, or the Volcano Trail - Granite is a magmatic rock composed of quartz, feldspar 210 and mica - Winter quarter for e.g. fire salamander, crested newt - the hard dike rocks were extracted as a hard, resistant, Café Aschenbach in Tabarz on the other and various bat species 11 Grenzborn construction stone Hauptstr. 23, OT Kleinschmalkalden, 036849/ 21260, side of the Rennsteig. - here the granite is weathered to a great depth as a result of 220 subtropical weathering in the geological past - all-year habitat of the European cave spider (Meta menardi) - enclosed artesian well open: Wed-Sa from 3 pm, Sun from 10 am Keuper - is a “specially protected biotope” - well type: perched spring More attractions nearby Berghotel Ebertswiese am Rennsteig - feldspar and mica are less resistant to weathering 230 than quartz 03683/ 606451, Triassic Church of Gotha Upper 7 Haderholzstein (713 m above sea-level) 12 Hohe Warte (colloquially: Howete) Mid open: daily except Tue and Wed Lower - neo-classical church, completed in 1854 240 Muschelkalk Upper 3 - highest elevation of the Long Haderholz Route - Stone look-out, built in 1905 H. Gakenstein - built of typical regional stone: green sandstone - Type locality for the resistant Rhyolite - located at 602 m above sea level Mid V. - Rock spur of highly deformed Kleinschmalkalden granite 250 Lower (see No. 88 ), tuffs from the quarries on the Rennsteig Buntsandstein (see No. 22 ) type “Haderholz porphyry“ in the Ilmenau-Formation - locally known as “Henkeltöpfchen – pot with handles“ and Bunter Sandstone from the foothills Zechstein - rock is approx. 295 million years old - Rocks consist of Haderholz porphyry (see No. 77 ) Copper shale Guided tours along the Long Haderholz 260 Neuenhof-Fm. (boundary conglomerate) 4 - here the Haderholz porphyry is around 200 m thick „Giant Stone“ Lamprophyre dike Route with certified GeoPark Guides - the peregrine falcon breeds in the rock faces 13 Historic mining in the Altal valley - a big rock consisting of andesite (a volcanic type of rock) - dark, fine-grained and very hard rock found in dikes 270 Eisenach-Formation - regularly from April to October Permian - also formerly known as “Melaphyr“ in Germany - the “Tamburg”, the protected remains of a former castle - numerous remains of historic coal mining activities - formed approx. 300 million years ago in the Georgenthal Tambach-Formation 7 crowns this hill are found in the Altal valley formation - Start: 8 am, Sports field (district Seligenthal), (see No. 7 ) 280 Rotliegend Rotterode-Formation - a small cave is located at the foot of the Haderholzsteins - first officially recorded in the 16th century - mountain lake at the Ebertswiese – direct connection to duration: approx. 4-5 h Oberhof-Formation 8 sandstone - essential equipment: sturdy shoes, suitable clothes (see No. 77 ) - Base sediment of the Georgenthal formation Goldlauter-Formation the Rennsteig 290 10 lake horizon Did you know that dikes are a relict of volcanic Manebach-Formation (approx. 300 million years old) - Spitterfall near the Rennsteig - largest natural waterfall of according to weather, bring your own food and Ilmenau-Formation 5 7 9 12 eruptions? drinks ? 8 Plattenbruch on the Hausmasse - coal seam thickness varies between 20-25 m Georgenthal- u. Möhrenbach-Fm. Haderholz porphyry the Thuringian Forest Carboniferous 300 Magma from deep down rises through fractures in - old quarry on the Hausmasse hill (683 m above sea level) - most recent mining attempt made in 1904 – 1910 by the - Please book at least one day ahead at the Tourist G Coal of Kleinschmalkalden - biggest cowbell in the world in Kleinschmalkalden Variscan Orogeny 13 formation of Pangaea supercontinent break-up supercontinent Pangaea of formation THG 2 3 the surrounding rock. However the magma usually - extracted rock is the green-grey sandstone from the Association “Hohe Warte“ information, phone: 03683/408848 16 „Giant stone“ - 6 churches built in different styles in the districts ±1000 m (Andesitic volcanism) does not reach the surface of the Earth. Goldlauter Formation (approx. 290 million years old) Seligenthal, Kleinschmalkalden, Hohleborn, Struth- - Cost: 5 € p.P., 2 € reduced 400 14 Devonian In mixed dikes this process is repeated several - sandstone occasionally contains trace fossils and 14 Granite porphyry rock Helmershof, Floh and Schnellbach - exact schedule is available in the Tourist informa- 420 Liebenstein- Group plant remains - multi-phasic (“mixed“) dike penetrating the Kleinschmal- 440 tion, on a separate leaflet or in the monthly event Silurian ±2000 m times in sequence with different magma compo- - Stud farm Hof Boxberg in the district Seligenthal >3000 m? - Sandstone primarily used as cut stone (“Waldplatten“), kalden Granite (see Infobox) calendar of Floh-Seligenthal 460 sitions. In this case the dike consists of several - Visitor mine “Finstertal“ in Asbach 4 14 15 16 15 Group see No. 15 - the outer zone consists of Kersantite the centre of Ordovician 480 Group metamorphic basement ±1000 m rock types. - Technical monument “Neue Hütte“ - historical Ruhla- Granite porphyry 500 blast furnace complex built in 1835 Trusetal- 520 Cambrian 1 8 12 15 7 540 Brotterode-Group 560 Precambrian G - post-orogenic granites (e.g.