Abstract
THE Ubeidiya Formation1 is known from three localities (Fig. 1) within the Jordan Valley, where it is steeply tilted, faulted and folded2,3. It is rich in prehistoric remains, representing the Developed Oldowan and Early Acheulean4. The Ubeidiya Formation is important in the Pleistocene history of the Jordan Valley for two reasons: it is the youngest sedimentary sequence to be severely affected by tectonic movements of the graben, and it contains the oldest human implements ever found in the Middle East.
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HOROWITZ, A., SIEDNER, G. & BAR YOSEF, O. Radiometric Dating of the Ubeidiya Formation, Jordan Valley, Israel. Nature 242, 186–187 (1973). https://doi.org/10.1038/242186a0
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DOI: https://doi.org/10.1038/242186a0
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