Material Types



BasketryArtifacts (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) 


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 


Animal bone remains 

Fire Cracked Rock 

Rocks showing evidence of intense heating or burning, carbon staining, or other indications of changes due to heat


Historic or prehistoric artifacts made from glass 

Ground Stone 

Lithic artifact formed or finished by polishing the body or edges with an abrasive 

HideArtifacts (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 


Plant remains such as fruit, seeds, buds, or other plant parts


Any prehistoric or historic artifact made of metal (e.g., iron, copper, gold, silver, etc.) 


Natural inorganic substance possessing a definite chemical composition in a crystalline form


Use for any microscopic plant remains 


Modified or unmodified objects made from mollusc shell

TextileArtifacts (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)


Modified or unmodified objects made from the roots, trunk, or branches of trees or shrubs