Dating sediments in coastal areas and potential applications for constraining the palaeo-environmental context of an archaeological site at Vohemar

Preusser, Frank; Schreurs, Guido (2011). Dating sediments in coastal areas and potential applications for constraining the palaeo-environmental context of an archaeological site at Vohemar. Études Océan Indien, 46-47(46-47), pp. 339-355. Institut National des Langues et Civilisations Orientales 10.4000/oceanindien.1344

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We present an overview on different environmental zones within coastal areas and summarise the physical basis behind the three most important methods that are available to date Holocene coastal sediments. Besides radiocarbon and uranium series dating, Optically Stimulated Luminescence (Osl) has increasingly been applied for dating in coastal settings over the past decade. This is illustrated by a number of case studies showing that Osl can be applied to sediments from almost any kind of coastal environment, covering a potential dating range from some years up to several hundred thousand years. Osl dating may hence be the method of choice for deciphering natural environmental change along coasts as well as the presence and the impact of human occupation in such areas. In addition, we briefly show how and where these dating methods could be applied to constrain the palaeo-environmental context of an archaeological site at Vohemar in north-eastern Madagascar.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Institute of Geological Sciences

UniBE Contributor:

Preusser, Frank and Schreurs, Guido

Subjects:

500 Science > 550 Earth sciences & geology

ISSN:

0246-0092

Publisher:

Institut National des Langues et Civilisations Orientales

Language:

English

Submitter:

Guido Schreurs

Date Deposited:

18 Jul 2016 13:55

Last Modified:

24 Jul 2016 02:08

Publisher DOI:

10.4000/oceanindien.1344

BORIS DOI:

10.7892/boris.83579

URI:

https://boris.unibe.ch/id/eprint/83579

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