Contact: Yivsam Azgad
Weizmann Institute of Science
Caption: Upper left: This is an infrared spectrum of the grey sediments, right, showing that the dominant material is calcite, the mineral of which the wood ash is composed. Lower left: This is a photograph of the cave during excavation; arrow pointing to the hearth. Upper right: This is a micro-morphological image of the grey sediment showing dark grey particles and patches corresponding to the remains of wood ash. Lower right: This is a scan of a micro-morphological, thin section showing the layered burnt bones (yellow, brown and black fragments), intermixed with grey sediments.
Credit: Weizmann Institute of Science
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