CATEGORY: artifact DEFINITION: A detached piece produced by cracks initiated away from the point of applied force. These flakes usually have a pronounced lip, contracting lateral margins immediately below the striking platform, and no bulb of force.
SYNONYMS OR RELATED TERMS: pyrometric cones CATEGORY: artifact DEFINITION: Small, elongated pyramids made of controlled mixtures of ceramic materials in a numbered sequence that soften and bend when heated under specific conditions. When cones are placed in a kiln during firing, their bending provides an index of heat treatment and proper firing.
