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TebeadworkshopatsiteMPS4,MilPlain,Azerbaijan...
CAUCASUS
ofexperimentaldrillinginvestigations
(Gwinnett,Gorelick1981:22;Co§kunsu
2008:33;Foreman1978).
Tedrillingtoolsconsistofmicrodrill
bitsmadeexclusivelyofflint.Although
obsidianisrepresentedby8.78%ofthe
stoneassemblagerecoveredfromthe
house-pit,flintwasobviouslypreferred
fordrilling.Experimentaldrillingwith
anobsidianandflintdrillbitprovedthat
thelatterwasmoreefcientduetoits
greaterhardness(Altinbileketalii2001).
Teflintassemblagerecoveredfrom
thehouse-pitcontained1855(88%)flakes
anddebriswithoutsecondarymodifica-
tionapparentlyresultingfrommicrodrill
production.Tetoolsassociatedwith
drillingactivitieswerethemostnumerous,
comprising194artifacts.Ofthese,
175microdrillsarecompletelypreserved.
Inmostcases,thepointswerebluntdue
toabrasion[Fig.8:2].Onlytwomicro-
drillshavecompletelyunabradedpoints
[Fig.8:1].Sometoolsalsohadremainsof
Fig.7.Drillingsections:1-6-uncompletedperforationfominside;7-8-completedperforationfom
inside,redrilledfomoutside(PhotographicArchives,MilPlainExpedition,DAI)
29
PAM23/2:SpecialStudies
