Dating Aeolian Deposits

Stone, Abi; Fenn, Kaja

doi:10.1016/b978-0-12-818234-5.00016-x

Cited by 3 publications

(1 citation statement)

References 393 publications

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“…Due to their eolian origin, loess deposits are widely analyzed by luminescence dating, which determines the age of the accumulation of quartz and feldspar minerals after a bleaching event, usually the last sunlight exposure during eolian transport before deposition (e.g. Bösken et al ., 2017; Lomax et al ., 2019; Stevens et al ., 2020; Stone and Fenn, 2020; D'Amico et al ., 2021). Depending on the available grain size, single grain or single aliquot techniques are typically used.…”

Section: Background: When the Dust Settlesmentioning

confidence: 99%

The past in dust: current trends and future directions in Pleistocene geoarcheology of European loess

Chu

Nett

2021

J Quaternary Science

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Loess is a main archive of Pleistocene landscapes and environments and therefore has an important connection to the preservation and interpretation of Paleolithic sites. In Europe, anthropogenic sites have been found in loess because of past local occupation. At one extreme, sites are well preserved with minimal disturbance often accompanied by embedded proxies to estimate ecological parameters. On the other hand, loess deposits have undergone post‐depositional alterations such as weathering, pedogenesis or bioturbation due to changing environmental conditions or other disturbances that obscure anthropogenic sites. We outline the current state of research and connections between Paleolithic archeology and loess research while introducing a series of subsequent regional case studies as part of a special issue. We also make recommendations for future work to incorporate a wider variety of methods to create more robust inferences on hominin and environmental evolution and their connections.

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Section: Background: When the Dust Settlesmentioning

confidence: 99%

The past in dust: current trends and future directions in Pleistocene geoarcheology of European loess

Chu

Nett

2021

J Quaternary Science

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The Cosmolian program for simulating aeolian dynamics and its application to central Australia

Vainer

Dor

2021

Earth Surf Processes Landf

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The wide spatial coverage of sand dunes in continental interiors makes the understanding of their activity and accumulation history valuable for palaeoenvironmental reconstructions and the interpretation of landscape evolution. Nevertheless, the study of aeolian landscape development at the million‐year timescale is hampered by the complex interaction of factors determining dune migration and the inherently self‐destructive nature of their chronostratigraphy, thus limiting the applicability of traditional dating methods. This study presents a standalone program that simulates aeolian transport based on luminescence‐derived chronologies coupled with numerical modelling of the accumulation of cosmogenic nuclides. This integrative approach to modelling the history of aeolian landforms reveals phases of emergence of aeolian sand into the landscape, and provides a data‐based scheme that facilitates the morphodynamical study of aeolian processes over multiple timescales and up to several millions of years. The application of the program for reanalysing previously reported data from the Australian Simpson Desert reveals multiple pulses of sand dispersion into central Australia at 3.8–3.4, 2.9–2.5 and 1.5–1 Ma, corresponding to pronounced changes in climatic conditions and landscape deformation events. The synchronicity of the results with the established environmental framework that would promote the production and aeolian distribution of sand exemplifies the applicability of process‐based modelling in constructing a timeframe of key landscape evolution events in arid environments by studying aeolian deposits. The dependence of the parameters used to determine environmental settings on sand transportation patterns additionally makes the program a powerful tool to further investigate the triggers and mechanisms of aeolian processes.

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Probing sediment burial age, provenance and geomorphic processes in dryland dunes and lake shorelines using portable luminescence data

Stone,

Bateman,

Sanderson

et al. 2024

Quaternary Geochronology

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Dating Aeolian Deposits

Cited by 3 publications

References 393 publications

The past in dust: current trends and future directions in Pleistocene geoarcheology of European loess

The past in dust: current trends and future directions in Pleistocene geoarcheology of European loess

The Cosmolian program for simulating aeolian dynamics and its application to central Australia

Probing sediment burial age, provenance and geomorphic processes in dryland dunes and lake shorelines using portable luminescence data

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