Material Types

Label	Definition
Basketry	Artifacts (e.g., food and storage baskets, mats, shields, fans, sandals, other plaited or coiled slats/splints/stems/vines/etc., bundles of slats/splints, knotted ties, etc.) made from rigid or semi-rigid plant materials (e.g., grasses, roots, reeds or rushes, split wood)
Building Materials	Materials used for construction (e.g., brick, wood, adobe)
Ceramic	Historic or prehistoric artifacts made from pottery or fired clay
Chipped Stone	Lithic artifacts such as tools, flakes, shatter, or debitage
Dating Sample	Material collected for use with dating techniques such as radiocarbon, dendrochronology or archaeomagnetism
Fauna	Animal bone remains
Fire Cracked Rock	Rocks showing evidence of intense heating or burning, carbon staining, or other indications of changes due to heat
Glass	Historic or prehistoric artifacts made from glass
Ground Stone	Lithic artifact formed or finished by polishing the body or edges with an abrasive
Hide	Artifacts (e.g., blankets or other coverings, clothing, bags, shoes) made from animal skins or pelts
Human Remains	The remains of any part of a human
Macrobotanical	Plant remains such as fruit, seeds, buds, or other plant parts
Metal	Any prehistoric or historic artifact made of metal (e.g., iron, copper, gold, silver, etc.)
Mineral	Natural inorganic substance possessing a definite chemical composition in a crystalline form
Pollen	Use for any microscopic plant remains
Shell	Modified or unmodified objects made from mollusc shell
Textile	Artifacts (e.g., clothing, bags, woven cloth, cordage, etc.) comprised of fibers and/or cord that are made from plant or animal material (e.g., animal hair, cotton, flax, hemp, other vegetal fibers, wool)
Wood	Modified or unmodified objects made from the roots, trunk, or branches of trees or shrubs