Abstract Based on the sediment budget of the Eastern,
Swiss and Western Alps since the Oligocene the regional
tectonic evolution has been identified as the dominant
factor. It is superimposed on the influence of both re-
gional and global climate change and global sea-level
change. During late Pliocene and Pleistocene times, cli-
mate became the dominant factor because of cyclic gla-
ciations. The early post-collisional history of the Alps is
characterized by a doubling of sediment discharge rates
around the Rupelian/Chattian boundary. This increase is
attributed to isostatic re-adjustment either after large-
scale thermal reorganization of the lithosphere related to
slab break-off, or to crustal thickening as continental
crust became subducted. From Middle Oligocene to Late
Miocene times, the overall trend of sediment discharge
rates in the entire Alps was modified only during rela-
tively short-lived phases. These are characterized by an
increase in Aquitanian (ca. 23–21 Ma) and late Burdigal-
ian times (ca. 18–16.4 Ma), and a decrease in early to
middle Burdigalian (21–19 Ma) and Langhian to Serra-
valian times (16.4–12 Ma). An important, still ongoing
period of uplift, reflected by rapidly increasing sediment
discharge rates, started in latest Miocene times in the
Swiss and Western Alps and affected the Eastern Alps
some 2 million years later. The reason for this uplift is
not clear, but deep-seated lithospheric processes appear
to be likely.
Keywords Alps · Climate · Sediment budget · Tectonic
events · Tertiary
Introduction
High mountain ranges are generally created by the colli-
sion of continental lithosphere (e.g., Molnar and England
1990). Collisional processes lead to crustal thickening,
followed by isostatic uplift, erosion, and the formation of
relief (e.g., Beaumont et al. 1996; Tucker and Slingerland
1996). Denudation rates accelerate until a steady state
of crustal thickening, denudation, and relief is reached
(Ahnert 1970; Tucker and Slingerland 1996). The mass of
the erosional products represents integrated denudation
rates with low spatial, but high temporal resolution.
Denudation rates have been shown to be proportional
to relief in many settings, among other parameters such
as precipitation, erodibility (lithology), and vegetation
cover (Einsele 1992). The reconstruction of the ancient
relief of an orogen and surface uplift through time has
turned out to be very difficult and imprecise (Mercier
et al. 1987; Fielding 1996) because no direct method of
determination exists for Alpine-type mountain ranges.
The rates of denudation in a global scale are directly
related to climate by a great number of factors (see Hay
1996), and thus a discussion of the basic causes of cli-
mate change will benefit from a better understanding of
the causes of mountain uplift and the rates of denudation
(Summerfield and Hulton 1994). Moreover, there is an
ongoing discussion whether the tectonically induced up-
lift of mountain ranges essentially forced the climate
system into the glacial mode (Raymo et al. 1988; Raymo
and Ruddiman 1992), or if global cooling and repeated
glaciations forced uplift of the mountain ranges (Molnar
and England 1990). In this respect, the reconstruction of
the denudation history of young mountain ranges con-
tributes to the perspectives of global climatic change.
Aim of this study
This study of the Alps (Fig. 1), one of the most inten-
sively studied mountain ranges in the world, is intended
to evaluate the causes of mountain uplift. Because of the
J. Kuhlemann (
✉
) · W. Frisch · B. Székely · I. Dunkl
Institute of Geology and Paleontology, University of Tübingen,
Sigwartstr. 10, 72076 Tübingen, Germany
e-mail: kuhlemann@uni-tuebingen.de
M. Kázmér
Department of Paleontology, Eötvös University,
Ludovika tér 2, 1083 Budapest, Hungary
Int J Earth Sci (Geol Rundsch) (2002) 91:818–837
DOI 10.1007/s00531-002-0266-y
ORIGINAL PAPER
J. Kuhlemann · W. Frisch · B. Székely · I. Dunkl
M. Kázmér
Post-collisional sediment budget history of the Alps:
tectonic versus climatic control
Received: 7 March 2001 / Accepted: 19 January 2002 / Published online: 16 March 2002
© Springer-Verlag 2002