Luminescence dating of ephemeral stream deposits around the Palaeolithic site of Ifri n'Ammar (Morocco)

Bartz, Melanie; Klasen, Nicole; Zander, Anja; Brill, Dominik; Rixhon, Gilles; Seeliger, Martin; Eiwanger, Josef; Weniger, Gerd-Christian; Mikdad, Abdeslam; Brückner, Helmut

doi:10.1016/j.quageo.2015.02.012

Cited by 13 publications

(19 citation statements)

References 31 publications

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“…Multi-proxy laboratory analyses were conducted (Ernst, 1970;Hadler et al, 2013;Seeliger et al, 2013Seeliger et al, , 2018Bartz et al, 2015Bartz et al, , 2017. Samples were air-dried and sieved to separate the 2-mm grain-size fraction for further analyses.…”

Section: Sedimentology and Geochemistrymentioning

confidence: 99%

Elaia, Pergamon's maritime satellite: the rise and fall of an ancient harbour city shaped by shoreline migration

Seeliger

Pint

Feuser

et al. 2019

J Quaternary Science

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Throughout human history, communication and trade have been key to society. Because maritime trade facilitated the rapid transportation of passengers and freight at relatively low cost, harbours became hubs for traffic, trade and exchange. This general statement holds true for the Pergamenian kingdom, which ruled wide parts of today's western Turkey during Hellenistic times. Its harbour, located at the city of Elaia on the eastern Aegean shore, was used extensively for commercial and military purposes. This study reconstructs the coastal evolution in and around the ancient harbour of Elaia and compares the observed environmental modifications with archaeological and historical findings. We use micropalaeontological, sedimentological and geochemical proxies to reconstruct the palaeoenvironmental dynamics and evolution of the ancient harbour. The geoarchaeological results confirm the archaeological and historical evidence for Elaia's primacy during Hellenistic and early Roman times, and the city's gradual decline during the late Roman period. Furthermore, our study demonstrates that Elaia holds a unique position as a harbour city during ancient times in the eastern Aegean region, because it was not greatly influenced by the high sediment supply associated with river deltas. Consequently, no dredging of the harbour basins is documented, creating exceptional geo‐bioarchives for palaeoenvironmental reconstructions.

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Section: Sedimentology and Geochemistrymentioning

confidence: 99%

Elaia, Pergamon's maritime satellite: the rise and fall of an ancient harbour city shaped by shoreline migration

Seeliger

Pint

Feuser

et al. 2019

J Quaternary Science

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“…This ephemeral stream is characterised by a discontinuous and heterogeneous sediment record ( Fig. 1a) caused by short-term climatic shifts and human influence (Bartz et al, 2015. In contrast, the terrace record of the lower Moulouya was considerably affected by tectonic processes related to the collision between the African and Eurasian plates.…”

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confidence: 99%

“…However, fluvial deposits of the Wadi Selloum could be well dated via optically stimulated luminescence (OSL) of quartz and post-infrared infrared stimulated luminescence of K feldspar. Although an independent age control was not possible, inter-method comparisons with thermoluminescence (TL) dating of a pottery shard (Bartz et al, 2015) and OSL and post-infrared infrared dating of two samples from the same sedimentary unit (Bartz et al, 2017) allowed the establishment of robust chronologies of the ephemeral stream deposits. The ages range between Chronological correlation between the on-site archive (occupation phases of the rock shelter Ifri n'Ammar) and the off-site archives (ephemeral stream deposits of Wadi Selloum and fluvial terrace deposits of the lower Moulouya).…”

mentioning

confidence: 99%

“…The ages range between Chronological correlation between the on-site archive (occupation phases of the rock shelter Ifri n'Ammar) and the off-site archives (ephemeral stream deposits of Wadi Selloum and fluvial terrace deposits of the lower Moulouya). Chronological data of the two fluvial systems are based on optically stimulated luminescence (OSL), thermoluminescence (TL) (see Bartz et al, 2015), thermally transferred OSL (TT OSL) (see Bartz et al, 2019), post-infrared infrared stimulated luminescence and electron spin resonance (ESR) dating (see Bartz et al, , 2018. From these results, phases of morphodynamic activity and stability can be deduced.…”

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confidence: 99%

“…Data availability. The data are not deposited in data repositories, but are published in the articles Bartz et al (2015), (2017), (2018) and (2019).…”

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confidence: 99%

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Quaternary fluvial environments in NE Morocco inferred from geochronological and sedimentological investigations

Bartz

2019

E&G Quaternary Sci. J.

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Unravelling fluvial deposition and pedogenesis in ephemeral stream deposits in the vicinity of the prehistoric rock shelter of Ifri n'Ammar (NE Morocco) during the last 100 ka

Bartz

Rixhon

Kehl

et al. 2017

CATENA

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Our study focuses on the ephemeral stream deposits of Wadi Selloum to identify phases of morphodynamic stability (pedogenesis) and activity (flooding) in the direct vicinity of the rock shelter of Ifri n'Ammar (NE Morocco). As one of the oldest settlement sites of anatomically modern humans (AMH) in North Africa, Ifri n'Ammar documents periodical occupations since~170 ka. Since the discontinuous settlement record may reflect climate forcing with subsequent landscape changes, we aim at reconstructing the palaeoenvironmental variability recorded in the ephemeral stream deposits. In addition to the use of micromorphological, sedimentological, geochemical and mineralogical methods, the geochronological framework of ephemeral stream deposits was established by the application of different luminescence dating techniques. The deposition ages between 102 ± 8 ka and 1.3 ± 0.2 ka span different morphodynamically stable and active phases. Periods of enhanced aggradation occurred around~100 ka,~75 ka,~55 ka, after the LGM, and during the Holocene, whilst sedimentation ended after~1.3 ka. The Wadi Selloum might be characterised by enhanced flooding during humid phases. Pedogenesis may be used as environmental indicator for more humid climate conditions during MIS 3 (palaeo-Calcisol), the early Holocene (Calcisol) and the late Holocene (Fluvisol). This study thus provides first insights into the palaeoenvironmental changes around the rock shelter of Ifri n'Ammar during the last glacial-interglacial cycle.

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Luminescence dating of ephemeral stream deposits around the Palaeolithic site of Ifri n'Ammar (Morocco)

Cited by 13 publications

References 31 publications

Elaia, Pergamon's maritime satellite: the rise and fall of an ancient harbour city shaped by shoreline migration

Elaia, Pergamon's maritime satellite: the rise and fall of an ancient harbour city shaped by shoreline migration

Quaternary fluvial environments in NE Morocco inferred from geochronological and sedimentological investigations

Unravelling fluvial deposition and pedogenesis in ephemeral stream deposits in the vicinity of the prehistoric rock shelter of Ifri n'Ammar (NE Morocco) during the last 100 ka

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