High resolution image of uppermost mantle beneath NE Iran continental collision zone

Motaghi, K. and Tatar, M. and Shomali, Z.H. and Kaviani, A. and Priestley, K. High resolution image of uppermost mantle beneath NE Iran continental collision zone. Physics of the Earth and Planetary Interiors, 208–20. pp. 38-49. ISSN 0031-9201 DOI 10.1016/j.pepi.2012.07.006

[img] PDF
Priestley_main.pdf
Restricted to Registered users only

Download (2MB)
[img]
Preview
Image (JPEG)
KP.jpg

Download (119kB) | Preview
Official URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

We invert 3775 relative P wave arrival times using the ACH damped least square method of Aki et al. (1977) to study upper mantle structure beneath the NE Iran continental collision zone. The data for this study were recorded by 17 three component broad-band stations operated from August 2006 to February 2008 along a profile from the center of Iranian Plateau, near Yazd, to the northeastern part of Iran on the Turan Platform just north of the Kopeh Dagh Mountains. The results confirm the previously known low velocity upper mantle beneath Central Iran. Our tomographic model reveals a deep high velocity anomaly. The surficial expressions of this anomaly are between the Ashkabad and Doruneh Faults, where the resolution and ray coverage are good. A transition zone in uppermost mantle is recognized under the Binalud foreland that we interpreted as suture zone between Iran and Turan platform. Our results indicate that Atrak Valley which is the boundary between the Binalud and Kopeh Dagh Mountains can be considered as the northeastern suture of the Iranian Plateau where Eurasia and Turan Platform under-thrust beneath the Binalud range and Central Iran.

Item Type: Article
Uncontrolled Keywords: 2012AREP; IA64;
Subjects: 02 - Geodynamics, Geophysics and Tectonics
Divisions: 02 - Geodynamics, Geophysics and Tectonics
Journal or Publication Title: Physics of the Earth and Planetary Interiors
Volume: 208–20
Page Range: pp. 38-49
Identification Number: 10.1016/j.pepi.2012.07.006
Depositing User: Sarah Humbert
Date Deposited: 29 Oct 2012 17:57
Last Modified: 23 Jul 2013 10:04
URI: http://eprints.esc.cam.ac.uk/id/eprint/2608

Actions (login required)

View Item View Item

About cookies