Neogene to Quaternary uplift history along the passive margin of the northeastern Arabian Peninsula, eastern Al Hajar Mountains, Oman

Daniil Moraitis, Frank Mattern, Andreas Scharf, Gianluca Frijia, Timothy M. Kusky, Ye Yuan, Issa El-Hussain

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This work explores the uplift history of the best exposed marine terraces in the northeastern Arabian Peninsula (eastern Al Hajar Mountains). A multidisciplinary approach was employed, including a topographic survey, 14C dating, thin section studies, and scanning electron microscopy analyses. Six distinctive marine terraces with widths ranging from tenth of meters to kilometers and elevations from 5 to 400 m were studied. These terraces record an along-strike heterogeneous uplift history, while they show temporally variable uplift rates ranging between 0.9 to 6.7 mm/yr, which correlates well with other published uplift rates of marine terraces of the eastern Arabian Peninsula. We attribute the variable uplift along strike of the terraces, to a combination of uplift mechanisms: (1) during early to mid-Miocene along deep-rooted reverse faults that bound large crustal-scale blocks, (2) Pliocene or post-Pliocene uplift on the outer wall of the forebulge of the lower Arabian Plate as it bends to enter the Zagros-Makran subduction zone, and (3) a possible slowdown of subduction for the past 40 ka.

Original languageEnglish
Pages (from-to)418-434
Number of pages17
JournalQuaternary Research (United States)
Volume90
Issue number2
DOIs
Publication statusPublished - Sep 1 2018

Fingerprint

passive margin
Neogene
uplift
terrace
mountain
history
Pliocene
Arabian plate
reverse fault
Mountains
Terraces
Arabian Peninsula
Oman
History
thin section
subduction zone
subduction
scanning electron microscopy
Miocene

Keywords

  • Arabian plate
  • Marine terraces
  • Quaternary
  • Tectonic uplift

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Earth-Surface Processes
  • Earth and Planetary Sciences(all)

Cite this

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AU - Mattern, Frank

AU - Scharf, Andreas

AU - Frijia, Gianluca

AU - Kusky, Timothy M.

AU - Yuan, Ye

AU - El-Hussain, Issa

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N2 - This work explores the uplift history of the best exposed marine terraces in the northeastern Arabian Peninsula (eastern Al Hajar Mountains). A multidisciplinary approach was employed, including a topographic survey, 14C dating, thin section studies, and scanning electron microscopy analyses. Six distinctive marine terraces with widths ranging from tenth of meters to kilometers and elevations from 5 to 400 m were studied. These terraces record an along-strike heterogeneous uplift history, while they show temporally variable uplift rates ranging between 0.9 to 6.7 mm/yr, which correlates well with other published uplift rates of marine terraces of the eastern Arabian Peninsula. We attribute the variable uplift along strike of the terraces, to a combination of uplift mechanisms: (1) during early to mid-Miocene along deep-rooted reverse faults that bound large crustal-scale blocks, (2) Pliocene or post-Pliocene uplift on the outer wall of the forebulge of the lower Arabian Plate as it bends to enter the Zagros-Makran subduction zone, and (3) a possible slowdown of subduction for the past 40 ka.

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