biface การใช้

• It was done by detachment of large flakes for biface manufacture.
• There are two basic points of contention concerning the Cinmar biface.
• Biface handaxes and cleaver traditions may have originated in the middle Pleistocene.
• One stone tool, a biface made of rhyolite, was also found.
• No large bifaces were found at this site.
• The bulk of the biface assemblage can be attributed to the Late Acheulian and Yabrudian industries.
• Numerous pieces with no bifaces were found and considered to be Tayacian with some Levallois influence.
• Swan Point also yields some unique triangular bifaces with corners and broken tips reworked into graver spurs.
• Depot A contained an Early Levallois industry with bifaces and a type of pick resembling Bir Hassan picks.
• Over three hundred Acheulean bifaces were collected along with various waste, used cores and rough-outs.
• Various small bifaces, flakes and cores were found that were originally assessed to be Mousterian by Burkhalter.
• Arthur Jelinek s 1967-1972 excavations of the cave yielded over 1, 900 complete and partial bifaces.
• These include projectile points, bifaces, scrapers, grooved axe heads, mauls, pottery and rim shards.
• These included biface, a whole scraper / spokeshave, and a small ceramic sherd were discovered during excavations.
• Vast numbers of heavy tools were found representing the industry of the Qaroun culture including piles of debitage and bifaces.
• Then large flakes are struck off the blank and worked into bifaces by hard-hammer percussion on an anvil stone.
• His digging unearthed about two dozen stone bifaces, which were at first mistaken for tools left by contemporary Indian tribes.
• If Abbevillian did not necessarily precede Acheulean and both traditions had flakes and bifaces, how was the difference to be defined?
• Quarrying activities, core reduction, biface creation, tool manufacture, and retooling are believed to leave significantly different debitage assemblages.
• To make microblades by this technique, a large biface is made into a core which looks like a tall carinated scraper.