▁H oh le ▁F els ▁and ▁Ge iss enk lö ster le ▁during ▁the ▁Gra v ett ian ▁were ▁inter related ▁and ▁contempor aneous ▁in ▁nature , ▁by ▁ref itting ▁stone ▁artifact s ▁found ▁in ▁the ▁three ▁site ' s ▁Gra v ett ian ▁sed iment ▁hor iz ons . ▁ ▁Disc over ies ▁ ▁It ▁is ▁assumed ▁that ▁the ▁cave ▁was ▁not ▁frequently ▁inhab ited ▁by ▁humans ▁during ▁the ▁Aur ign aci an ▁since ▁only ▁two ▁broken ▁b one ▁tools ▁were ▁found ▁in ▁layer ▁XIV . ▁ ▁Gra v ett ian ▁finds ▁origin ate ▁in ▁layer ▁VII . ▁In ▁addition ▁to ▁ 5 2 ▁tools ▁made ▁of ▁animal ▁b ones , ▁rein de er ▁ant ler ▁and ▁m amm oth ▁iv ory , ▁ ▁more ▁than ▁ 1 0 0 0 ▁stone ▁tools ▁were ▁un ear th ed , ▁including ▁bl ades , ▁g oug es ▁and ▁sc rap ers . ▁More ▁than ▁ 8 0 ▁artifact s ▁were ▁identified ▁as ▁j ew el ry , ▁including ▁numerous ▁iv ory ▁be ads , ▁be aded ▁b ones , ▁per for ated ▁animal ▁teeth ▁and ▁not ched ▁b one ▁ro ds . ▁ ▁Most ▁discover ies ▁were ▁made ▁in ▁the ▁Mag d alen ian ▁str ata , ▁coming ▁primarily ▁from ▁layers ▁VI ▁to ▁IV . ▁Stone ▁tools , ▁fire p laces , ▁sm ashed ▁b ones ▁and ▁more ▁than ▁ 1 1 0 0 ▁stone ▁tools ▁were ▁found . ▁Notable ▁artifact s ▁include ▁har po ons ▁of ▁iv ory ▁or ▁rein de er