A calcite reference material for LA‐ICP‐MS U‐Pb geochronology

NMW Roberts, ET Rasbury, RR Parrish… - Geochemistry …, 2017 - Wiley Online Library
U‐Pb dating of calcite is an emerging but rapidly growing field of application in
geochronology with great potential to inform problems in landscape, basin, and mountain …

The significance of aragonite in the interpretation of the microscopic archaeological record

MB Toffolo - Geoarchaeology, 2021 - Wiley Online Library
Aragonite is one of the metastable polymorphs of calcium carbonate and is commonly found
at archaeological sites in the form of mollusk shells and speleothems. Other occurrences …

The age of Homo naledi and associated sediments in the Rising Star Cave, South Africa

PHGM Dirks, EM Roberts, H Hilbert-Wolf, JD Kramers… - Elife, 2017 - elifesciences.org
New ages for flowstone, sediments and fossil bones from the Dinaledi Chamber are
presented. We combined optically stimulated luminescence dating of sediments with U-Th …

Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) U–Pb carbonate geochronology: strategies, progress, and limitations

NMW Roberts, K Drost, MSA Horstwood… - …, 2020 - gchron.copernicus.org
Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) U–Pb
geochronology of carbonate minerals, calcite in particular, is rapidly gaining popularity as an …

Magnetostratigraphy and cosmogenic dating of Wonderwerk Cave: New constraints for the chronology of the South African Earlier Stone Age

R Shaar, A Matmon, LK Horwitz, Y Ebert… - Quaternary Science …, 2021 - Elsevier
Cave sediments pose dating challenges due to complex depositional and post-depositional
processes that operate during their transport and accumulation. Here, we confront these …

Australopithecus sediba at 1.977 Ma and Implications for the Origins of the Genus Homo

R Pickering, PHGM Dirks, Z Jinnah, DJ De Ruiter… - science, 2011 - science.org
Newly exposed cave sediments at the Malapa site include a flowstone layer capping the
sedimentary unit containing the Australopithecus sediba fossils. Uranium-lead dating of the …

The Southern African stone age sequence updated (II)

M Lombard, J Bradfield, MV Caruana… - The South African …, 2022 - JSTOR
A decade ago, we summarised the South African and Lesotho Stone Age technocomplex
sequence as a heuristic exercise, anchored in 242 dated assemblages (Lombard et al …

U–Pb-dated flowstones restrict South African early hominin record to dry climate phases

R Pickering, AIR Herries, JD Woodhead, JC Hellstrom… - Nature, 2019 - nature.com
Abstract The Cradle of Humankind (Cradle) in South Africa preserves a rich collection of
fossil hominins representing Australopithecus, Paranthropus and Homo. The ages of these …

Palaeomagnetic analysis of the Sterkfontein palaeocave deposits: Implications for the age of the hominin fossils and stone tool industries

AIR Herries, J Shaw - Journal of human evolution, 2011 - Elsevier
Palaeomagnetic analysis was conducted on speleothems from Members 1–5 at Sterkfontein
Cave, South Africa. Palaeomagnetic analysis of siltstone and speleothem from the bulk of …

Laser ablation U-series analysis of fossil bones and teeth

R Grün, S Eggins, L Kinsley, H Moseley… - Palaeogeography …, 2014 - Elsevier
Over the past decade, we have applied laser ablation ICP mass spectrometry U-series
analysis to a large number of bones and teeth. The method is fast and provides high …