Integrating geoarchaeology and magnetic susceptibility at three shell mounds: a pilot study from Mornington Island, Gulf of Carpentaria, Australia
Article
Article Title | Integrating geoarchaeology and magnetic susceptibility at three shell mounds: a pilot study from Mornington Island, Gulf of Carpentaria, Australia |
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ERA Journal ID | 1739 |
Article Category | Article |
Authors | Rosendahl, Daniel (Author), Lowe, Kelsey M. (Author), Wallis, Lynley A. (Author) and Ulm, Sean (Author) |
Journal Title | Journal of Archaeological Science |
Journal Citation | 49 (1), pp. 21-32 |
Number of Pages | 12 |
Year | 2014 |
Place of Publication | United Kingdom |
ISSN | 0305-4403 |
1095-9238 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.jas.2014.04.017 |
Web Address (URL) | http://www.sciencedirect.com/science/article/pii/S0305440314001526?via%3Dihub |
Abstract | In coastal areas of the globe, open shell matrix sites are commonly used to establish regional chronologies of human occupation and identify patterns of cultural change, particularly for the Holocene, post-sea-level stabilisation period. Despite this, many basic sedimentary analyses that are routinely applied to rockshelter deposits (e.g. geophysical characterisation, particle size etc) are rarely applied to these sites. Magnetic susceptibility, occasionally used in rockshelters, has never been used to investigate shell matrix sites in Australia, despite several international studies identifying its efficacy for other types of open sites. This paper reports a pilot project applying a range of conventional sedimentary and archaeological analyses, as well as magnetic susceptibility at three anthropogenic shell mounds on Mornington Island, Gulf of Carpentaria, Australia. Results are compared to, firstly, assess site integrity and, secondly, to ascertain whether magnetic signatures are related to cultural or natural site formation processes. The results establish that the mounds were repeatedly visited, despite the archaeological evidence, including radiocarbon ages, suggesting effectively 'instantaneous' deposition. This has important implications for studies of other shell mounds where the limitations of radiocarbon dating precision may also mask multiple deposition events. |
Keywords | Archaeological geophysics; Coastal archaeology; Gulf of Carpentaria; Human-environment interaction; Island archaeology; Magnetic susceptibility; Northern Australia; Shell mounds; Chronology; General and chronology; |
ANZSRC Field of Research 2020 | 450101. Aboriginal and Torres Strait Islander archaeology |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | James Cook University |
University of Queensland | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q437q/integrating-geoarchaeology-and-magnetic-susceptibility-at-three-shell-mounds-a-pilot-study-from-mornington-island-gulf-of-carpentaria-australia
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