Radiometric dating of the ubeidiya formation, Jordan Valley, Israel

A. Horowitz*, G. Siedner, O. Bar Yosef

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


THE Ubeidiya Formation1 is known from three localities (Fig. 1) within the Jordan Valley, where it is steeply tilted, faulted and folded 2,3. 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.

Original languageEnglish
Pages (from-to)186-187
Number of pages2
Issue number5394
StatePublished - 1973


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