Geophysical prospection for late Holocene burials in coastal environments: possibilities and problems from a pilot study in South Australia
Moffat, Ian, Wallis, Lynley A., Hounslow, Mark W., Niland, Katrina, Domett, Kate, and Trevorrow, George (2010) Geophysical prospection for late Holocene burials in coastal environments: possibilities and problems from a pilot study in South Australia. Geoarchaeology, 25 (5). pp. 645-665.
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View at Publisher Website: http://dx.doi.org/10.1002/gea.20321
Geophysical techniques have been widely employed for the noninvasive location of burial sites in archaeological and forensic investigations. This approach has met with varying degrees of success, depending on factors such as equipment choice, survey methodology, burial type, and geological setting. This paper reports the results of a multitechnique geophysical survey carried out immediately prior to the salvage excavation of two Indigenous burials from an eolian dune in coastal South Australia. Ground-penetrating radar was not successful in defining the location of the burials owing to the disturbed nature of the local stratigraphy. Magnetic field intensity and apparent magnetic susceptibility surveys identified discrete anomalies that coincided with the location of skeletal material revealed during excavation, which we hypothesize to be due to burning or ochre use during funerary practices. Despite the spatial association of these features, subsequent laboratory analyses of the mineralogy and magnetic properties of sediments collected from the site failed to find a definite cause of the anomalies. Nevertheless, the association between them and the primary interment locations has implications for archaeological surveys carried out in the Australian coastal zone, as it highlights the potential of magnetic field intensity and apparent magnetic susceptibility geophysical techniques undertaken with a more refined survey methodology to afford a noninvasive, culturally appropriate means through which to detect Indigenous burials. This approach may prove particularly useful in areas with disturbed stratigraphy where ground-penetrating radar is less effective.
|Item Type:||Article (Refereed Research - C1)|
|FoR Codes:||21 HISTORY AND ARCHAEOLOGY > 2101 Archaeology > 210101 Aboriginal and Torres Strait Islander Archaeology @ 40%|
04 EARTH SCIENCES > 0404 Geophysics > 040499 Geophysics not elsewhere classified @ 60%
|SEO Codes:||95 CULTURAL UNDERSTANDING > 9505 Understanding Past Societies > 950503 Understanding Australias Past @ 100%|
|Deposited On:||04 May 2011 16:39|
|Last Modified:||18 Oct 2013 01:14|
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