File:Travertin-Steinbruch Neckar Bad-Cannstatt.jpg
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Deutsch: Travertin-Steinbruch, Sediment des Neckars im aufgelassenen Steinbruch der „Fa Haas“ in Stuttgart-Münster. Der Abbau wurde nach 1988 aufgegeben. Dieser Travertin bildete sich im Früh- und Spätglazial der Eiszeiten des Pleistozäns: In den Warmzeiten des Hoßkirch-Komplexes und der Eem-Warmzeit (Beginn der Würm-Eiszeit), sowie in der Nacheiszeit (Holozän) als Ausfällungen aus Quellwassern, die dem Mittleren- und Oberen Muschelkalk entstammen. Diese „Sauerwasserkalke“ (Ausfällungen aus kohlensäurehaltigem, kalkigem Wasser) lagern oft in auffallend feinen Sediment-Schichten. Besonders auffallend sind die Zwischenschichten, die Verwitterungsprodukte wie oxydiertes Eisen enthalten und daher bräunliche Bänder bilden. Die noch vom Löss bedeckten Travertin-Komplexe überlagern alte Terrassen des Neckars aus Schotterkörpern und Hochflutlehm. Die Travertin-Komplexe im Stuttgarter Raum sind bis zu 30 m mächtig. English: Travertine sedimented by river Neckar in the quarry of “Fa Haas” in Stuttgart-Münster. Exploitation was abolished by 1988. The Travertine was slowly sedimented in interglacial times of Pliocene: Early and late Riss glaciation (“Hoßkirch Complex”), the Eemian (early Würm glaciation) and warm times of Holocene. The karstwaters emerged from karst springs in Upper- and Middle Muschelkalk. The chemically precipitated Travertine limestone tends to form thin fine layers of sediment. Remarkable are some beddings, coloured kind of brownish, a colour typical for a product of chemical weathering, such as oxidised iron. The Travertine complex tops old fluvial terraces of river Neckar, the peak is 30 m thickness. |
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| Author | Ustill |
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| current | 16:39, 22 January 2017 | | 1,800 × 1,200 (2.78 MB) | Ustill (talk | contribs) | User created page with UploadWizard |
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