Deep Grey Pottery Jar with Two Ears
The formation of the grey pottery is due to firing in a reducing (low oxygen) atmosphere and the ferric oxide in the clay is unable to be fully oxidized. This culture is named after the village of Cishan, in Wu’an county, Hebei province, where the first finds of this type were made in 1972. It dates to the Northern China Middle Neolithic, 6000-5600 BC.
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