File:Kalktuffbarre Seeburg Ermstal Schwaebische-Alb.jpg

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Deutsch: Im Ort Seeburg (südlich von Bad Urach) steht das Pfarrhaus auf der sichtbaren, oberen, ca. 6 m hohen Steinbruchmauer einer an mehreren Stellen im Ort abgebauten Kalktuffbarre. Die Barre an der Oberen Erms bildet die erste, der acht Kalktuff-Terrassen, die insgesamt ca. 10 km lang sind. Das Wasser der in den Warmzeiten des Holozän kräftigeren Karstquellen der Erms (1 km vor Seeburg) habrn hier bis zu ca. 36 m (!) Kalktuff, als kompaktes oder sandiges Sediment, chemisch ausgefällt. Die aus dem Seitental der Quell-Erms angehäuften Kalktuff-Sedimente haben das bis zu ca. 8 km lange, verzweigte „Fischbachtal“ vor Seeburg zum „Bodenlosen See“ aufgestaut (vom See ist heute nur noch ein von Heinrich Schickhardt 1616 (!) gebauter, intakter Abflussstollen übrig geblieben).
Große Mengen Kalktuff-Sedimente bildeten sich in weiteren Gerinnen am talförmig ausgeräumten Albtrauf, z.B. Kalktuffterrassen der Wiesaz und der Echaz.

English: Parish House on top of a 36 m (!) sediment of calcareous tuff in the village of “Seeburg” (Bad Urach), Swabian Alb. Only the upper 6 m of the sediment of rivulet ”Erms” are visible, the rest is garden soil on top of the two rivulets’ floodplain. The karst spring’s water carried enormous amounts of calcareous tuff, which was chemically precipitated along eight terraces over 10 km. The first terrace, seen here, dammed up the branched valleys of rivulet “Fischbach”, thus forming the former lake “Bodenloser See”. Today, only the still well functioning long outlet tunnel, draining rivulet Fischbach since 1616 (!), exists. The constructor, “Heinrich Schickardt”, is famous for many constructions, he did under the authority of the Duke of Württemberg.

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current21:07, 9 August 2016Thumbnail for version as of 21:07, 9 August 20161,800 × 1,200 (2.85 MB)Ustill (talk | contribs)User created page with UploadWizard

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