Artifact abrasion,fluvial processes,and “living floors” from the Early Paleolithic site of ’Ubeidiya (Jordan Valley,Israel)

Early Acheulian assemblages in fluviolacustrine contexts at the Early Pleistocene site of ‘Ubeidiya (Jordan Valley, Israel) have been described as “living floors.” A study of variation in the surface abrasion of stone tools from several such “living floors” suggest a mixture of cultural and geological factors were involved in the formation of these assemblages. © 1999 John Wiley & Sons, Inc.