| Devil's Lair | |
|---|---|
 Interactive map of Devil's Lair | |
| Location | Leeuwin-Naturaliste National Park,Western Australia |
| Coordinates | 34°4′3.3″S115°6′23.5″E / 34.067583°S 115.106528°E /-34.067583; 115.106528 |
| Geology | Karst cave |
| Registry | 6WI-61[1] |
Devil's Lair is a single-chambercave with a floor area of around 200 square metres (2,200 sq ft) that formed in aQuaternarydunelimestone of theLeeuwin–Naturaliste Ridge, 5 kilometres (3.1 mi) from the modern coastline ofWestern Australia. The stratigraphic sequence in the cave floor deposit consists of 660 centimetres (260 in) of sandy sediments, with more than 100 distinct layers, intercalated withflowstone and other indurated deposits. Excavations have been made in several areas of the cave floor. Since 1973, excavations have been concentrated in the middle (approximately on a north-west, south-east axis) of the cave, where 10 trenches have been dug. Archaeological evidence for intermittent human occupation extends down about 350 centimetres (140 in) to layer 30, with hearths, bone, and stone artefacts found throughout. The site provides evidence of human habitation ofSouthwest Australia 50,000 years before the present day.
Devil's Lair has been the subject of scientific research since the 1970s bypalaeontologists andarchaeologists.[2]Excavations have recoveredstone artefacts, numerous animalbone remains,hearths, bone artefacts and human skeletal remains.[3][4]
Preservation of cultural materials has been very good and a long, well dated cultural sequence has been documented. The diversity and productiveness of the evidence from Devil's Lair make it a valuable as a source of information on cultural and natural history in the extreme southwest of Australia since the first colonisation of the continent.[5][6]
The site is named for the remains of the locally extinctSarcophilus harrisii (Tasmanian devil), uncovered there, including its bones and those of the animals that it had fractured when consuming them at the site. The earliest palaeontological examination at the site was undertaken byE. L. Lundelius in 1955, then an AmericanFulbright scholar researching mammalian Pleistocene fauna in Western Australia. A review of tooth specimens of kangaroo species collected at the site discovered a human tooth was included and the archaeological significance of Devil's Lair prompted intense interest in that field.[7]
Devil's Lair is important as one of the earliest sites of human occupation inAustralia, a site with very early humanornaments and an unusually rich source of information for prehistoric cultural and natural history in the southwest of Western Australia. The site boasts a rich history, occupation of the site dating back to more than 40,000 years ago. With dates of occupation as early as 48,000 years ago, Devil's Lair widens the scope of the peopling of Australia. Adze-like scrapers, jewelry, hearths, and faunal remains offer a glimpse of life in Australia during the Late Pleistocene, as well as the complexity of Pleistocene tool technologies. The site, albeit having sparse inhabitants, could be representative of adaptations towards terrestrial economies from coastal economies.[8][9][10][11]
Both stone and bone tools were found in Devil's Lair, present stratigraphically in trenches 2, 5, and 6. These tools are both complex and versatile, including flakes, bone points, adze-like scrapers, and limestone, quartz and chert scalar cores. Stone tools utilized a flake technology produced by discoidal cores, however, no discoidal cores were recovered from the site. Stone flakes were reused and had utility (sawing and cutting). Scaler cores as well were reutilized; one notched quartz core showing signs of being used as a scraper. Bone points, the second-most common artifact found, were sharpened and utilized similarly to modern Aboriginal bone points.[12]
Several different techniques of dating have been used at Devil's Lair to show that human occupation began at around 48,000 years. This makes it rank among the earliest sites in Australia and so an important source of information about the timing and character of the first human colonizers of Australia.[13]
Carbon 14 dating for charcoal used for dating Devil's Lair, though originally thought impossible due to the high rate of the local vegetation species endemism (65-85%). Charcoal found at the site was compiled and compared with other charcoal samples across the world, using ESEM (Environmental Scanning Electron Microscope), which identified the charcoal as reliable to date. Additionally, local wooded plants intermixed within the charcoal were able to be identified and helped to categorize the dates of inhabitation in reference to climate. The charcoal showed signs of sporadic human inhabitation, with three settlement periods: 24,000 - 17,000 BP (during a drier climate with less vegetation), 12,000 BP (during a period of moist climate and dense vegetation), and 500 - 300 BP (a climate closest to present-day). Earliest occupancy dates, from more detailed carbon 14 dating, mark the earliest dates of occupation of Devil's Lair during 48,000 BP.[9][14]
111 stone tools were found within Devil's Lair. They include adze-like scrapers and flakes, all made of either chert or quartz. Earlier studies hypothesized the use of resin on hafted tools, though sedimentary analysis and lithic analysis contradict this theory; there is inconclusive evidence for both early use of hafted tools and possible use of resin. Radiocarbon dates and stratigraphic analysis (of stratigraphic layers 19-30 upper) of said tools indicate an agreed-upon occupation date of Devil's Lair starting at 31,000 years BP.[15]
Human remains of the past inhabitants were found within Devil's Cave, including a hip-bone and a tooth. A male human pelvis was found within Trench 9. Once radiocarbon dated, the pelvis was dated to be 12,000 years old. Found near a hearth, laying on its side, the male pelvis's position could point for further significance. Three human teeth found within the site: a permanent, maxillary central incisor, dated to 8,000 to 12,000 years BP; an upper, left, central deciduous incisor, dated to 17,000 years BP; and child's small incisor, dated to 19,000 ± 500 BP.[16][17]
Excavations at Devil's Lair have yielded early human ornaments in the form of three ground bone beads dating to 19,000–12,700 years BP. These beads were made from the limb-bones ofmacropods and were manufactured by cutting the bone shafts into short segments and grinding them smooth on abrasive stone. A deliberately perforated but otherwise unmodified stone object with wear patterns suggestive of its use as apendant dated to 14,000 year BP has also been recovered from Devil's Lair.[18][19]
These artefacts are some of the earliest evidence of symbolic behaviour in Australia and are internationally significant for understanding the timing and character of the emergence of symbolic capacities in humans.
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