Doubts raised about whether SA is, in fact, the cradle of humankind
a cave system inhabited by early human ancestors in South Africa may be almost two million years younger than previously thought, a new study has found, which may cast doubt over whether humankind may have originated in the country.
The study, which used sediment analysis, palaeo-magentism and uranium-lead dating, found deposits at Bolt’s Farm in the Cradle of Humankind about 50km north-west of Johannesburg to be between 2.27 and 1.7 million years old. That compared with earlier research, which dated deposits in a small cave called Waypoint 160 at Bolt’s Farm at about 4.5 million years, the University of Cape Town said in a statement on Wednesday.
Bolt’s Farm is a cave system located in the World Heritage site and is an important source of fossils of various species of Plio-Pleistocene fauna, including primates and big cats. It is also home to a novel species of rat, Euryotomys bolti, found nowhere else.The earlier research that dated Waypoint 160 deposits relied on fossilised remains of the rat and compared it to other fossil sites in South Africa, according to the statement.
“All of our work using multidisciplinary sources over the last few years show no evidence for any sites in the Cradle older than 3.
The findings of the study led by Edwards debunks assumptions that sites like Sterkfontein Caves preserve deposits and fossils older than 3.2 million years, according to Robyn Pickering, a co-author of the paper. 2023 Bloomberg LP
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