[Latinmag] [Fwd: Post-doc position in Tectonics and Paleomagnetism]]
Rubén Somoza
somoza en gl.fcen.uba.ar
Mie Jul 18 13:25:05 ART 2012
---------------------------- Mensaje original ----------------------------
Asunto: Fw: [Geoinfo] [Fwd:Post-doc position in Tectonics and Paleomagnetism]
De: "rsomoza" <rbnsmz en gmail.com>
Fecha: Mie, 18 de Julio de 2012, 13:23
Para: somoza en gl.fcen.uba.ar
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Subject: [Geoinfo] [Fwd:Post-doc position in Tectonics and Paleomagnetism]
Dear colleagues,
please let anyone who might be interested know that there is a postdoc
position for 3 years at the Paleomagnetic Laboratory Fort Hoofddijk, in
Utrecht, The Netherlands.
A full description of the postdoc vacancy and the project proposal is
available at the Fort Hoofddijk website (www.geo.uu.nl/~forth).
Application must be done through www.uu.nl/vacancies where this position
will be advertised from Monday, July 9th onwards.
A short description can be found below.
Best wishes,
Cor Langereis
Project title: Oroclinal bending and palaeolatitude reconstructions
in the Eurasian-Arabian collision zone
Paratethys was a large epicontinental sea, stretching from Germany
to China at the beginning of the Oligocene (~34 Myr ago), that
progressively retreated by a complex combination of basin infill,
glacio-eustatic sea-level lowering and tectonic uplift to its
present-day remnants: Black Sea, Caspian Sea and Aral Lake. The
influence of Paratethys on global change is still a great unknown,
mainly through lack of relevant studies in this terra incognita,
although model studies suggest a major effect of sea retreat on
climate and environment.
Job description
The postdoc will reconstruct Tethyan plate kinematics and
continent-continent collision in the Alpine-Himalayan chain, with
emphasis on the southern extent of the Paratethys region. This
research will involve determining the paleolatitude position of the
Africa-Arabia-derived continental (micro)plates and their tectonic
rotations through time, in the context of basin development and the
history of oceanic gateways, which is being studied in complementary
projects. Accompanying projects in the same research group also
involve the India-Asia collision to the East.
The tectonic framework for Paratethys development will specifically
be studied in two regions that are characterised by their arc-shape:
the Lesser Caucasus and the Talysh-Alborz fold-and-thrust belts.
Paleomagnetism will provide the rotation patterns in the arc-shaped
regions that possibly resulted from oroclinal bending. Exact dating
of formation of these arcuate belts will provide constraints for
their formation mechanisms such as the collision of intervening
continental fragments (e.g. the South Armenian Block and/or Arabia)
with Eurasia, slab roll-back mechanisms or a combination of these
possibilities.
To accurately date the sampled sedimentary and volcanic rocks, we
will use absolute and relative dating techniques (40Ar/39Ar,
biostratigraphy, magnetostratigraphy). We also aim at geochemically
characterising the volcanic exposures in terms of their origin (e.g.
volcanic arc versus back-arc). For high-precision paleolatitude
results we will process a large number of data, enabled by the use
of the robotized magnetometer in Utrecht, with the aim to correct
the data for inclination (and hence paleolatitude) error.
The position is financed through the Netherlands Top Research Centre
for Integrated Solid Earth Sciences (ISES). A full description of
the project is available via our website http://www.geo.uu.nl/~forth
-----------------------------------------------------------------------------------------------
Prof.dr. C.G. (Cor) Langereis | Paleomagnetic Laboratory 'Fort Hoofddijk'
Department of Earth Sciences, Utrecht University
Budapestlaan 17, 3584 CD Utrecht, The Netherlands (+31.30.253.1668)
--
http://www.geologist.nl
Douwe J.J. van Hinsbergen, PhD
Physics of Geological Processes (PGP)
University of Oslo
Sem Sælands vei 24
NO-0316 Oslo
Norway
Tel: +47 22856487
d.v.hinsbergen en fys.uio.no
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Rubén Somoza
Dpto. Ciencias Geológicas, FCEyN, UBA
Ciudad Universitaria, Pabellón 2
C1428EHA, Buenos Aires, Argentina
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Rubén Somoza
Dpto. Ciencias Geológicas, FCEyN, UBA
Ciudad Universitaria, Pabellón 2
C1428EHA, Buenos Aires, Argentina
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