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burin spall
CATEGORY: lithics
DEFINITION: A small, relatively thick flake removed from a flake or blade using a snapped termination or previous burination scar as a platform.
cortical spall
CATEGORY: artifact
DEFINITION: A flake struck from the surface of a pebble or nodule which retains the natural cortex on one face. A cortical spall tool is generally a relatively large ovate cortical spall exhibiting retouch or use-wear on one or more edges.
CATEGORY: lithics
DEFINITION: The small, usually long and thin flint piece removed from a burin.
thermal spall
CATEGORY: ceramics
DEFINITION: The small shallow rounded pits removed from pottery due to high heat and escaping moisture -- often on rims of cooking pots.

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