Table 3 Whalen and colleagues’11 Uranium-Thorium Ages on ‘caliche rind’ from artefacts from unit U-5.

From: The expansion of later Acheulean hominins into the Arabian Peninsula

Depth in mm

Age in years USGS

Age in years McMaster

700

204,000 ± 17,000

112,000 ± 15,000

860

189,000 ± 14,000

61,000 ± 9,000

860

189,000 ± 14,000

61,000 ± 9,000

  1. The depth of the samples suggests in unit U-5 suggest the both likely come from the equivalent of our layer D. Dates were measured by B.J. Szabo of the USGS in Denver, and by H.P. Schwarz at McMaster University, Ontario.
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