{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["von der Meden J"],"funding":["National Geographic Society","DST-NRF Centre of Excellence in Palaeosciences","Australian Research Council Discovery Early Career Research Award","DST-NRF Centre Of Excellence in Palaeosciences","University of Cape Town","National Research Foundation"],"pagination":["e0270104"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9299332"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["17(7)"],"pubmed_abstract":["Detailed, well-dated palaeoclimate and archaeological records are critical for understanding the impact of environmental change on human evolution. Ga-Mohana Hill, in the southern Kalahari, South Africa, preserves a Pleistocene archaeological sequence. Relict tufas at the site are evidence of past flowing streams, waterfalls, and shallow pools. Here, we use laser ablation screening to target material suitable for uranium-thorium dating. We obtained 33 ages covering the last 110 thousand years (ka) and identify five tufa formation episodes at 114-100 ka, 73-48 ka, 44-32 ka, 15-6 ka, and ~3 ka. Three tufa episodes are coincident with the archaeological units at Ga-Mohana Hill dating to ~105 ka, ~31 ka, and ~15 ka. Based on our data and the coincidence of dated layers from other local records"],"journal":["PloS one"],"pubmed_title":["Tufas indicate prolonged periods of water availability linked to human occupation in the southern Kalahari."],"pmcid":["PMC9299332"],"funding_grant_id":["VC2030","Competitive Programme for Rated Researchers 120806","DE 190100160","student bursary","Operations grants - CoE2017-065; COE2018-05OP; COE2019-OP17","AOP150924142990","Waitt Grant","Operations grant - COE2018-10OP","Research Development Grant for Y-rated Researchers"],"pubmed_authors":["von der Meden J","Pickering R","Weij R","Wilkins J","Green H","Greig A","Schoville BJ","Hellstrom J","Woodhead J","Khumalo W"],"additional_accession":[]},"is_claimable":false,"name":"Tufas indicate prolonged periods of water availability linked to human occupation in the southern Kalahari.","description":"Detailed, well-dated palaeoclimate and archaeological records are critical for understanding the impact of environmental change on human evolution. Ga-Mohana Hill, in the southern Kalahari, South Africa, preserves a Pleistocene archaeological sequence. Relict tufas at the site are evidence of past flowing streams, waterfalls, and shallow pools. Here, we use laser ablation screening to target material suitable for uranium-thorium dating. We obtained 33 ages covering the last 110 thousand years (ka) and identify five tufa formation episodes at 114-100 ka, 73-48 ka, 44-32 ka, 15-6 ka, and ~3 ka. Three tufa episodes are coincident with the archaeological units at Ga-Mohana Hill dating to ~105 ka, ~31 ka, and ~15 ka. Based on our data and the coincidence of dated layers from other local records","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022","modification":"2025-04-05T14:07:15.35Z","creation":"2022-08-08T10:59:41.598Z"},"accession":"S-EPMC9299332","cross_references":{"pubmed":["35857764"],"doi":["10.1371/journal.pone.0270104"]}}