File:Kalktuff-Abriss Gönninger-Wiesaz-Fall Schwäbische-Alb.jpg
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Deutsch: Wasserfall an der Abrisskante der letzten Kalktuff-Terrasse (chemisch aus gelöstem Calciumcarbonat ausgefälltes Sediment). Das kalkhaltige Wasser stammt aus Karstquellen im Tal der oberen Wiesaz, ein Tal am tief ausgeräumten Albtrauf bei Gönningen, Schwäbische Alb. Die riesigen, seit den Warmzeiten des Holozän aus einer größeren Wiesaz entstandenen Kalktuffvorkommen haben mehrere Terrassen und kleine Wasserfälle gebildet. Das Sediment der oberen Terrassen bestand eher aus feuchtem Fels, hier entstanden Steinbrüche. In der letzten, ca. 8 m hohen Terrasse, wie hier im Foto, wird eher Lockersediment, d.h. Kalktuffsand vorgefunden. Die je nach Niederschlagsmenge und Jahreszeit unterschiedlich stark schüttende Wiesaz trägt den hier nur wenig kompaktierten Kalktuff ab, so dass es am Wasserfall zu einem ständigen Rückbau kommt. English: Waterfall at the last terrace of calcareous tuff of upper rivulet “Wiesaz”, next to the village “Gönningen” (Reutlingen), Swabian Alb. The Tufa sediment was precipitated in ambient tempered water currants in the last 10 thousand years. The sediment is rocky or sandy – here rather sandy, mixed with compacted sand and small stony sections. |
| Date | |
| Source | Own work |
| Author | Ustill |
| Object location |  | View this and other nearby images on: OpenStreetMap |  |
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| Camera location | | View this and other nearby images on: OpenStreetMap | |
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| current | 12:21, 10 August 2016 | | 1,200 × 1,800 (2.88 MB) | Ustill (talk | contribs) | User created page with UploadWizard |
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