Pebble Tools - deacademic.com
2015-4-30 · Pebble-Tools — [ pebltuːlz] , Vorgeschichtsforschung: englisch sprachige Bezeichnung für die Geröllgeräte … Universal-Lexikon. Pebble — A pebble is a clast of rock with a particle size of 4 to 64 millimeters based on the Krumbein phi scale of sedimentology. It is generally described to be larger than gravel and smaller than cobble.