The present-day deformation of the central Zagros from GPS measurements

In 1997 and in 2000, we measured the distances between 14 geodetic benchmarks across the central Zagros mountain belt. The results show that about 10 mm/yr of shortening in the central Zagros is distributed across the mountain belt. This shortening corresponds to roughly 50% of the total convergence...

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Veröffentlicht in:Geophysical research letters 2002-10, Vol.29 (19), p.33-1-33-4
Hauptverfasser: Tatar, Mohammad, Hatzfeld, Denis, Martinod, Joseph, Walpersdorf, Andrea, Ghafori-Ashtiany, Mohsen, Chéry, Jean
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container_end_page 33-4
container_issue 19
container_start_page 33-1
container_title Geophysical research letters
container_volume 29
creator Tatar, Mohammad
Hatzfeld, Denis
Martinod, Joseph
Walpersdorf, Andrea
Ghafori-Ashtiany, Mohsen
Chéry, Jean
description In 1997 and in 2000, we measured the distances between 14 geodetic benchmarks across the central Zagros mountain belt. The results show that about 10 mm/yr of shortening in the central Zagros is distributed across the mountain belt. This shortening corresponds to roughly 50% of the total convergence between Arabia and Eurasia and is consistent in direction. The Persian Gulf does not deform significantly. The Main Zagros Reverse Fault is not an active kinematic boundary. The internal deformation of the folded belt is rather homogeneous, at the scale of our survey, which does not allow us to detect any individual active blind fault. However, the strain pattern suggests that N‐S dextral strike slip faults may accommodate part of the deformation.
doi_str_mv 10.1029/2002GL015427
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subjects Arabia
Belts
Boundaries
Convergence
Deformation
Earth Sciences
Faults
Geophysics
Mountains
Physics
Sciences of the Universe
Strikes
title The present-day deformation of the central Zagros from GPS measurements
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