Biface preform

This object is known as a preform and represents a stage in the making of a type of stone tool known as a biface. When completed these tools had sharp, strong edges because chips of stone were knocked off both sides of the original piece to thin it.

Object Summary

Museum Number 54/1948/138
Simple Name implement
Full Name scraper
Common Name biface preform
Production country United States of America
Material jasper (heat-treated)
Collection class Tools for farm and craft
Collection continent America
Collection area/region N
Production county East USA
Production continent America
Production date Archaic
Production year low 6500-5500BP
Production year high 1000BP
Function name tool