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- W1994897102 abstract "In 1978, three carbonized grains of barley and a carbonized grain of einkorn wheat were found in a buried hearth at a Late Paleolithic site at Wadi Kubbaniya in Egypt. In 1981, two large clusters of barley seeds, which were identified as six-row barley and thus domestic, were found at a nearby site of comparable age. Numerous grinding stones, presumed to have been used for processing the cereals, were found in these and other sites, often deeply buried, and 30 radiocarbon dates placed the occupations between 18,500 and 17,000 radiocarbon years ago. These finds led us to suggest an early origin of food production, with implications for the initial development of complex societies. Several barley seeds were analyzed by electron spin resonance spectroscopy to determine the maximal temperature to which they had been subjected before burial. Six barley seeds and three small pieces of wood charcoal were dated directly by using a tandem accelerator mass spectrometer." @default.
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- W1994897102 date "1984-08-10" @default.
- W1994897102 modified "2023-10-16" @default.
- W1994897102 title "New Radiocarbon Dates on the Cereals from Wadi Kubbaniya" @default.
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- W1994897102 doi "https://doi.org/10.1126/science.225.4662.645" @default.
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