Evolutionary trend of paleoshorelines in the Coastal Makran zone (Southeast Iran) since the mid-Holocene

Gharibreza, Mohammadreza

doi:10.1016/j.quaint.2015.06.030

Cited by 14 publications

(24 citation statements)

References 13 publications

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“…ogy of these headlands alternates between coarse coastal (calcareous sandstones, hereafter referred to as "sandstones", for simplicity) and fine slope deposits, similar to those found in the Makran ranges, northwards of the coastal plain (Harms et al, 1984). The headlands are separated by wide omega-shaped bays that exhibit sequences of Holocene prograding beach ridges up to 10 km long (Gharibreza, 2016;Shah-Hosseini et al, 2018) (Fig. 1b).…”

Section: Geological and Geomorphological Settingmentioning

confidence: 68%

“…Hence, we believe that in the Makran, terrace carving and sediment deposition both occur within the same highstand. This is true for the Makran Holocene beaches, which have been deposited since the mid-Holocene highstand (Gharibreza, 2016;Gharibreza and Motamed, 2006;Sanlaville et al, 1991;Shah-Hosseini et al, 2018).…”

Section: Dating Targetmentioning

confidence: 90%

“…Each aliquot was evaluated according to the following acceptance criteria: recycling ratios at 10 %, maximum test dose error at 10 %, maximum recuperation at 10 % of the natural signal and maximum paleodose error at 20 %. D e values were assessed using the central age model (Galbraith et al, 1999). The environmental dose was calculated with the DRAC software (Durcan et al, 2015) after measuring the radioactive elements (U, Th, K and Rb) using inductively coupled plasma mass spectrometry (ICPMS) (from ActLabs, Canada).…”

Section: Osl Datingmentioning

confidence: 99%

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Dating and morpho-stratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)

et al. 2019

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Abstract. The western part of the Makran subduction zone (Iran) is currently experiencing active surface uplift, as attested by the presence of emerged marine terraces along the coast. To better understand the uplift recorded by these terraces, we investigated seven localities along the Iranian Makran and we performed radiocarbon, 230Th∕U and optically stimulated luminescence (OSL) dating of the layers of marine sediments deposited on top of the terraces. This enabled us to correlate the terraces regionally and to assign them to different Quaternary sea-level highstands. Our results show east–west variations in surface uplift rates mostly between 0.05 and 1.2 mm yr−1. We detected a region of anomalously high uplift rate, where two MIS 3 terraces are emerged, but we are uncertain how to interpret these results in a geologically coherent context. Although it is presently not clear whether the uplift of the terraces is linked to the occurrence of large megathrust earthquakes, our results highlight rapid surface uplift for a subduction zone context and heterogeneous accumulation of deformation in the overriding plate.

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Section: Geological and Geomorphological Settingmentioning

confidence: 68%

Section: Dating Targetmentioning

confidence: 90%

Section: Osl Datingmentioning

confidence: 99%

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Dating and morpho-stratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)

et al. 2019

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show abstract

“…Hence, we believe that terrace carving and sediment deposition both occur within the same highstand. This is true for the Makran Holocene beaches, which were deposited since the mid-Holocene highstand (Gharibreza, 2016;Gharibreza and Motamed, 2006;Sanlaville et al, 1991;Shah-Hosseini et al, 2018).…”

Section: Dating Targetmentioning

confidence: 90%

“…The lithology of these headlands alternates between coarse coastal and fine slope deposits, similar to those found in the Makran Ranges, northwards of the coastal plain (Harms et al, 1984). The headlands are separated by wide omega-shaped bays that exhibit sequences of Holocene prograding beach ridges up to 10 km long (Gharibreza, 2016;Shah-Hosseini et al, 2018)…”

Section: Geological and Geomorphological Settingmentioning

confidence: 99%

Dating and morphostratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)

Normand¹,

Simpson²,

Herman³

et al. 2018

Preprint

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Abstract. The western part of the Makran subduction zone (Iran) has not experienced a great megathrust earthquake in recent human history, yet, the presence of emerged marine terraces along the coast indicates that the margin has been tectonically active during at least the late Quaternary. To better understand the surface deformation of this region, we mapped the terraces sequences of seven localities along the Iranian Makran. Additionnaly, we performed radiocarbon, 230Th/U and optically stimulated luminescence (OSL) dating of the layers of marine sediments deposited on top of the terraces. This enabled us to correlate the terraces regionally and to assign them to different Quaternary sea level highstands. Our results show east-west variations in surface uplift rates mostly between 0.05 and 1.2 mm y−1. We detected a region of anomalously high uplift rate, where two MIS 3 terraces are emerged, yet we are uncertain how to insert these results in a geologically coherent context. Although it is presently not clear whether the uplift of the terraces is linked with the occurrence of large megathrust earthquakes, our results highlight heterogeneous accumulation of deformation in the overriding plate.

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Spatio-temporal scaling effects on longshore sediment transport pattern along the nearshore zone

Khorram

Ergil

2018

Estuarine, Coastal and Shelf Science

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Evolutionary trend of paleoshorelines in the Coastal Makran zone (Southeast Iran) since the mid-Holocene

Cited by 14 publications

References 13 publications

Dating and morpho-stratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)

Dating and morpho-stratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)

Dating and morphostratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)

Spatio-temporal scaling effects on longshore sediment transport pattern along the nearshore zone

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