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Reconstructing Early Pleistocene (1.3 Ma) terrestrial environmental change in western Anatolia: Did it drive fluvial terrace formation?

Lookup NU author(s): Professor Darrel Maddy, Dr Chris Stemerdink, Dr Tim van der Schriek


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A terrestrial environmental reconstruction of an Early Pleistocene landscape from western Anatolia is presented. The basis of this reconstruction is a sedimentary stack comprising fluvial and colluvial slope deposits. Contained within this stack is a sequence comprising two massive laminar calcretes alternating with three reddish palaeosols. This evolutionary sequence is situated on top of a fluvial terrace staircase capped by a 1.3 Ma (Ar-40/Ar-39 plateau age) lava flow. The micro-morphological properties of the observed calcretes and reddish palaeosols combined with the stable oxygen and carbon isotopic composition of the carbonates suggest the alternation of three stable relatively warm-humid (vegetation rich) and two stable relatively arid-cool (bare surface) cycles. In addition, there is also ample evidence for landscape instability in between these phases causing local soil truncation and slope instability in an open grassland-shrub environment. These landscape instability phases match well with known fluvial incisional phases of the Gediz during this period. This suggests that climate-forced landscape environmental dynamics were of sufficient magnitude to drive fluvial terrace formation of the Early Pleistocene Gediz. (C) 2014 Elsevier B.V. All rights reserved.

Publication metadata

Author(s): Veldkamp A, Candy I, Jongmans AG, Maddy D, Demir T, Schoorl JM, Schreve D, Stemerdink C, van der Schriek T

Publication type: Article

Publication status: Published

Journal: Palaeogeography, Palaeoclimatology, Palaeoecology

Year: 2015

Volume: 417

Pages: 91-104

Print publication date: 01/01/2015

Online publication date: 25/10/2014

Acceptance date: 15/10/2014

ISSN (print): 0031-0182

ISSN (electronic): 1872-616X

Publisher: Elsevier BV


DOI: 10.1016/j.palaeo.2014.10.022


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