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This study presents the first data on a level one archaeology student cohort, exploring their demographic composition and motivations for enrolling, as well as external stressors such as health and caring responsibilities that may influence student study goals, retention, and needs. A survey of 107 students enrolled in introductory level archaeology units at 13 Australian universities was undertaken in Semester 1, 2021. The results show a diverse cohort by age, gender, and educational background. Consistent with the professional Australian archaeological community, there is little diversity in the ethnicity of enrolled students. Further, many respondents reported having caring responsibilities, and both physical and mental health concerns. Students were motivated to enrol both for general interest and future career pathways; however, there was a poor understanding within the cohort of Australian archaeological job opportunities. These results indicate that there is clearly much to be done in public archaeological engagement and outreach in Australia. What is required of the Australian archaeological community is a concerted effort to improve how the discipline is taught and learned across all levels of education, and a collaborative approach to designing teaching methods suitable for our modern student cohort. [ABSTRACT FROM AUTHOR]

Ethnographic records show that people from Orokolo Bay in the Papuan Gulf (Papua New Guinea) made, used, and exchanged artefacts made from bone and teeth during the twentieth century. Archaeologically, these kinds of artefacts are poorly documented, partly because osseous materials tend to decay rapidly in exposed tropical rainforest sites. Where these artefacts have been found in the Papuan Gulf, only a few have been reported in detail. Here we contribute detailed analyses of eight osseous artefacts from the past village site of Popo which date to within the period 770–220 cal BP. We describe a modified shark tooth, a drilled or pierced dog tooth ornament, several bone points, and a trapezoidal section of modified bone. An ochred bone point shows that people applied pigment to material culture in the period 540–285 cal BP; the item is the only known archaeological evidence for pigment use on bone in the Papuan Gulf. Our analyses provide a starting point for historicising the use of osseous artefacts in this part of the Papuan Gulf. [ABSTRACT FROM AUTHOR]

This paper presents the first application of mammal tooth enamel carbonate stable isotope analysis for the purpose of investigating late Pleistocene–early Holocene environmental change in an Australian archaeological context. Stable carbon (δ13C) and oxygen (δ18O) isotope ratios were analyzed from archaeological and modern spectacled hare wallaby (Lagorchestes conspicillatus) and hill kangaroo (Osphranter robustus) tooth enamel carbonates from Boodie Cave on Barrow Island in Western Australia. δ18O results track the dynamic paleoecological history at Boodie Cave including a clear shift towards increasing aridity preceding the onset of the Last Glacial Maximum and a period of increased humidity in the early to mid-Holocene. Enamel δ13C reflects divergent species feeding ecology and may imply a long-term shift toward increasing diversity in vegetation structure. This study contributes new data to the carbonate-isotope record for Australian fauna and demonstrates the significant potential of stable isotope based ecological investigations for tracking paleoenvironment change to inter-strata resolution. [ABSTRACT FROM AUTHOR]

Archaeological deposits from Boodie Cave on Barrow Island, northwest Australia, reveal some of the oldest evidence for Aboriginal occupation of Australia, as well as illustrating the early use of marine resources by modern peoples outside of Africa. Barrow Island is a large (202 km 2 ) limestone continental island located on the North-West Shelf of Australia, optimally located to sample past use of both the Pleistocene coastline and extensive arid coastal plains. An interdisciplinary team forming the Barrow Island Archaeology Project (BIAP) has addressed questions focusing on the antiquity of occupation of coastal deserts by hunter-gatherers; the use and distribution of marine resources from the coast to the interior; and the productivity of the marine zone with changing sea levels. Boodie Cave is the largest of 20 stratified deposits identified on Barrow Island with 20 m 3 of cultural deposits excavated between 2013 and 2015. In this first major synthesis we focus on the dating and sedimentology of Boodie Cave to establish the framework for ongoing analysis of cultural materials. We present new data on these cultural assemblages – including charcoal, faunal remains and lithics – integrated with micromorphology, sedimentary history and dating by four independent laboratories. First occupation occurs between 51.1 and 46.2 ka, overlapping with the earliest dates for occupation of Australia. Marine resources are incorporated into dietary assemblages by 42.5 ka and continue to be transported to the cave through all periods of occupation, despite fluctuating sea levels and dramatic extensions of the coastal plain. The changing quantities of marine fauna through time reflect the varying distance of the cave from the contemporaneous shoreline. The dietary breadth of both arid zone terrestrial fauna and marine species increases after the Last Glacial Maximum and significantly so by the mid-Holocene. The cave is abandoned by 6.8 ka when the island becomes increasingly distant from the mainland coast. [ABSTRACT FROM AUTHOR]

• Marra Australian Aboriginal philosophies guide archaeological research. • Stone artefacts are embedded within Marra relational philosophies and politics. • Stone 'raw materials' are potent ancestral substances. • Access to powerful Marra ancestral quarries changed through time. • Lithic analyses of Marra stone artefacts reveal changing social worlds. In archaeology, investigations into the social and cultural contexts of stone artefacts have largely focused on their typological styles, manufacturing technologies, functions, geographic distributions and the significance of the quarries they come from. Yet what is oftentimes overlooked is the deeper contemporary understandings by Indigenous groups of the stone artefacts recovered from excavations. In this paper, we analyse an assemblage of 9,642 excavated stone artefacts from the rockshelter site of Walanjiwurru 1 in Marra Country in northern Australia, in light of the cosmological significance of regional stone sources to local Aboriginal groups. Each recovered stone artefact, and the quarries of their raw materials, is laden with meanings that help reveal how Marra Aboriginal people socially and cosmologically engaged with their landscape. By combining archaeological and Marra cultural perspectives, we argue that subtle variations in the range of stones and their relational characteristics signal changing political engagements with ancestral places over the past 2300 years. [ABSTRACT FROM AUTHOR]