geology of sylt
DESCRIPTION
Geology of Sylt. MarMic October 2004. Relevant Gelogical Ages at Sylt Holocene - Miocene. Holocene 10.000- present Pleistocene1.8 Mio-10.000 B.P. Weichsel (glacial)115.000- 10.000 B.P. Eem (interglacial)128.000-115.000 Saale (glacial)128.000-347.000 - PowerPoint PPT PresentationTRANSCRIPT
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Geology of Sylt
MarMic October 2004
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Relevant Gelogical Ages at Sylt Holocene - Miocene
• Holocene 10.000 - present
• Pleistocene 1.8 Mio - 10.000 B.P.– Weichsel (glacial) 115.000 - 10.000
B.P.– Eem (interglacial) 128.000 - 115.000– Saale (glacial) 128.000 - 347.000– Holstein (interglacial) 347.000 - 370.000– Elster (Glacial) 370.000 - 475.00
• Pliocene 1.8 Mio - 5 Mio
• Miocene 5 Mio - 24 Mio
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Geological Map of Sylt
Miocene
Pliocene
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Reconstruction of the geological history
• Deposition of Miocene Clays (warm conditions• Slow uplift (Salt domes?), shallower conditions with
deposition of coastal (sandy) facies: Pliocene Limonite
• Deposition of riverine sediments from a large river system in the baltic region (Pliocene Kaolin sand)
• Ice ages– Some Elster Deposits– Large Saale Deposits– Erosion during the Eem Interglacial leaving some outcrops– No deposits during the Weichsel Ice Age– Recent sea level rice, formation of the Wadden Sea and
barrier Islands
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Glaciation during Pleistocene
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Glaciation during Pleistocene
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Pleistocene deposits
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Eemian deposits
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Geological Map of Sylt
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Morsum Kliff
• Recent Dune formation
• Solifluction of Boulder Clay (Weichsel)
• Boulder Clay (Saale)
• Kaolin Sand (Pliocene)
• Limonite Sandstone (Pliocene)
• Clay (upper Miocene/lower Pliocene)
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Ice (Saale) foulds Miocene and Pliocene deposits
Kaolin SandLimonite SandMiocene Clay
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Morsum Kliff
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The extent of the shoals under the Wadden Sea
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Recent Development of Sylt (14th C.)
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Middle Ages: Large floods
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Development of Sylt (~1648)
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Development of Northern Sylt(Listland, 14th century)
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Development of Northern Sylt(Listland)
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Development of Northern Sylt(Listland)
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