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Rifts as denudation-accumulation systems : concept, models and examples

Hinderer, Matthias ; Einsele, G. (2002)
Rifts as denudation-accumulation systems : concept, models and examples.
In: Sedimentation in Continental Rifts
doi: 10.2110/pec.02.73.0083
Buchkapitel, Bibliographie

Typ des Eintrags: Buchkapitel
Erschienen: 2002
Autor(en): Hinderer, Matthias ; Einsele, G.
Art des Eintrags: Bibliographie
Titel: Rifts as denudation-accumulation systems : concept, models and examples
Sprache: Englisch
Publikationsjahr: 1 Januar 2002
Ort: Tulsa, Okla.
Verlag: SEPM
(Heft-)Nummer: 73
Buchtitel: Sedimentation in Continental Rifts
DOI: 10.2110/pec.02.73.0083
Alternatives oder übersetztes Abstract:
Alternatives AbstractSprache

We present simplistic quantitative models of rift basin filling, applying the concept of denudation-accumulation systems. Initial rifts are commonly oversupplied and develop a fluvial sedimentary environment because of a high morphometric ratio and high denudation rates due to high relief. During an advanced stage of riftevolution, an increasing morphometric ratio and declining denudation rates often lead to undersupplied conditions with a lacustrine and / or marine sedimentary environment. Sedimentation is here very sensitive to climate fluctuations, and prediction of evaporative mineral formation needs to be modeled by a geochemical computer program. The usefulness of our concept is demonstrated by applications to the Qinghai rift basin, China and the Turkana rift basin, East Africa. Their sediment filling was reconstructed since the Plioceneon the basisrates of extension, subsidence and denudation derived from field observations. The climate controlled short term evolution during the late Quaternary was modeled using ageochemical computer program, and predictions of formation of evaporitic minerals are provided for three different climate scenarios. In an outlook we emphasize the combination of the concept of denudation-accumulation systems with more sophisticated two dimensional models based on sequence stratigraphy.

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eISBN 9781565761957

Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Geowissenschaften > Fachgebiet Angewandte Sedimentgeologie
Hinterlegungsdatum: 17 Jun 2015 06:53
Letzte Änderung: 21 Okt 2020 12:13
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