Bone Identification and Cleaning

Recent Anth 586 work on the Folsom wedge and Clovis sediment blocks includes combined efforts toward bone identification, mapping, and ongoing stabilization.  Bone identification is challenging due to the confusing jumble of elements as well as the condition of the elements themselves.  With the aid of ENMU zooarchaeologist Kathy Durand, we have identified the majority of elements visible on the surface of the Folsom wedge (including ribs, scapulae, radius-ulnae, a metapodial, and a single tooth – all presumably bison), as well as the mammoth rib fragment in the Clovis block.

Kathy Durand examines a tooth fragment in the Folsom wedge.

Dr. Kathy Durand examines a tooth fragment in the Folsom wedge.

 A radius-ulna/metacarpal articulation indicates a relatively intact forelimb in the SE quad of the Folsom wedge.  Other elements appear to be disarticulated but mostly complete. 

SE quad of the Folsom wedge, the radius-ulna/metacarpal articulation is visible to the left of the upper blue pin.

SE quad of the Folsom wedge, the radius-ulna/metacarpal articulation is visible to the left of the upper blue pin.

 

 

Due to its fragility, all bone is treated with PaleoBond preservative as its surface is exposed through cleaning or excavation.  Immediate treatment seems to help minimize the crumbling and separation of cortical from cancellous bone the elements undergo upon exposure.

George Crawford applies preservative to recently exposed bone.

George Crawford applies preservative to recently exposed bone.

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