Element concentrations and magnetic susceptibility of anthrosols: Indicators of prehistoric human occupation in the inland Pilbara,Western Australia |
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| Affiliation: | 1. 15/52–58 Meta St, Mooloolaba, Queensland 4557, Australia;2. Environmental Geoscience, Department of Ecology, Environment and Evolution, La Trobe University, Bundoora, Vic 3086, Australia;3. Department of Archaeology, University of Sydney, NSW 2006, Australia;4. ARCHAEO Cultural Heritage Services, PO Box 333, The Gap, Queensland 4061, Australia;5. School of Social Science, The University of Queensland, St Lucia, Queensland 4072, Australia;1. Institute of Resilient Regions, School of Arts and Communication, The University of Southern Queensland, Toowoomba, Qld 4350, Australia;2. College of Arts, Society and Education, James Cook University, Cairns, Qld 4870, Australia;3. Archaeology, Flinders University, Adelaide, SA 5001, Australia;4. Nulungu Research Institute, University of Notre Dame Australia, Broome, WA 6725, Australia;5. Northern Archaeology Consultancies Pty Ltd, Townsville, Qld 4810, Australia;6. Rinyirru Aboriginal Corporation, Cairns, Qld 4870, Australia |
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| Abstract: | The study of archaeological sediments is an important source of information on how humans lived at a site. Attributes of human site use such as frequency of visits and duration of stay can be explored by measuring changes in phosphorus (determined using X-ray fluorescence) and carbon concentrations in sediments and magnetic susceptibility of sediments in combination with analysis of other sediment attributes, stone artefacts and faunal remains. This study concludes that increases in phosphorus and carbon concentrations and the discard rate of stone artefacts at Marillana A rockshelter in the inland Pilbara, Western Australia, indicate an increase in the frequency of site use with no change in the function of the site. This is interpreted as representative of an increase in regional population density. |
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