Optical and radiocarbon dating at Jinmium rock shelter in northern Australia

@article{Roberts1998OpticalAR,
  title={Optical and radiocarbon dating at Jinmium rock shelter in northern Australia},
  author={Richard G. Roberts and Michael I. Bird and Jon M. Olley and Rex F. Galbraith and E. M. Lawson and Geoff M. Laslett and Hiroyuki Yoshida and Rhys Bevan Jones and Richard Fullagar and Geraldine Jacobsen and Quan Hua},
  journal={Nature},
  year={1998},
  volume={393},
  pages={358-362}
}
The Jinmium rock shelter is located in the Kimberley region of northern Australia. Claims for ancient rock art and an early human presence at this site were based on thermoluminescence ages of 50–75 thousand years (kyr) for quartz sands associated with buried circular engravings (pecked cupules) and on thermoluminescence ages of 116–176 kyr for the underlying artefact-bearing deposits. Here we report substantially younger optical ages for quartz sand, and ages based on measurements of… Expand
OPTICAL DATING OF SINGLE AND MULTIPLE GRAINS OF QUARTZ FROM JINMIUM ROCK SHELTER, NORTHERN AUSTRALIA: PART II, RESULTS AND IMPLICATIONS*
Quartz sediments from the floor deposit at Jinmium Rock Shelter have been investigated using the multiple-grain and single-grain optical dating methods described by Galbraith et al. (1999, thisExpand
OPTICAL DATING OF SINGLE AND MULTIPLE GRAINS OF QUARTZ FROM JINMIUM ROCK SHELTER, NORTHERN AUSTRALIA: PART I, EXPERIMENTAL DESIGN AND STATISTICAL MODELS*
Jinmium rock shelter is famous for the claims made by Fullagar et al. (1996) for the early human colonization and ancient rock art of northern Australia. These claims were based onExpand
Minimum ages for pecked rock markings from Jinmium, north western Australia.
Sixteen accelerator mass spectrometry (AMS) radiocarbon (14C) determinations for oxalate crusts overlying three pecked rock markings (cupules) at three separate localities in the Keep River area ofExpand
New ages for Middle and Later Stone Age deposits at Mumba rockshelter, Tanzania: optically stimulated luminescence dating of quartz and feldspar grains.
TLDR
The seven quartz ages and four K-feldspar ages provide improved temporal constraints on the archaeological sequence at Mumba, and how the revised chronology fits in the context of existing archaeological records and palaeoclimatic reconstructions for East Africa is discussed. Expand
Assessing the time of final deposition of Youngest Toba Tuff deposits in the Middle Son Valley, northern India
Abstract We present optical ages for quartz and K-feldspar grains extracted from sedimentary deposits above and below Youngest Toba Tuff (YTT) at two localities in the Middle Son Valley (MSV), MadhyaExpand
Optical dating of dune sand from Blombos Cave, South Africa: I--multiple grain data.
TLDR
The aeolian sand and two other remnants of the sand dune formed against the coastal cliff were dated using optical dating to provide a minimum age for the Middle Stone Age material at Blombos Cave. Expand
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TLDR
Luminescence analyses of five samples from Die Kelders cave demonstrate sufficient bleaching prior to burial to validate dating and that yield ages of about 60-70 ka, in agreement with other evidence from sedimentology, archaeology and electron spin resonance. Expand
Assessing the reproducibility and accuracy of optical dating of fluvial deposits
Abstract Optical dating is increasingly being applied to fluvial deposits to derive rates of geomorphological and sedimentary processes. Partial bleaching of the water-transported sediment grains isExpand
Luminescence dating of hillslope deposits - a review.
Abstract Luminescence dating determines the last exposure to light of quartz and feldspar mineral grains and thus the time a sediment was laid down. Prerequisite is that the sediment grains wereExpand
Extending the chronology of deposits at Blombos Cave, South Africa, back to 140 ka using optical dating of single and multiple grains of quartz.
TLDR
The periods of occupation were determined by changes in sea level, with abundant sources of seafood available in times of high sea level and with the cave being closed by the accumulation of large dunes during periods of low sealevel, such as during oxygen isotope stages 4 and 6. Expand
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