Beiner & Rabinovich, 2014: BONES AND SEDIMENTS
present on site, but the archeozoologist
removed. In this case, the matrix had to be
received a kit including fine medical gauze and
removed from in between the fragments. Due
Paraloid B72 preparations in acetone, along
to post-depositional processes, some of the
with work guidelines. Since the descriptions
matrix accumulation in join areas was not new,
from the site gave a picture of entire, but very
and a discussion with the archeologist on
cracked and weak bones instructions were to
morphological traits and the presence of cut
coat the finds with gauze strips impregnated
marks made it clear that joining the fragments
with Paraloid B72. The point was to keep the
was
too
important,
so
post-depositional
cracked parts together until they reached the
accumulations were removed from join areas
lab. The gauze system proved very effective in
as much as possible. Cleaning involved cotton
this case and the National Natural History
swabs dipped in acetone plus mechanical
Collections
at
the
Hebrew
University,
cleaning with soft bristle brushes and porcupine
Jerusalem, now include some nearly entire
quills. The loss of major parts of bone required
scapulae and pelvises from Revadim.
some creative gap-filling to support the weight
Some finds were salvaged with one side (the
of the entire structure. In this case, Japanese
down-facing side) very badly fragmented. An
tissue dipped in Paraloid B72 and built up in
elephant scapula (Figure 2A) was especially
layers proved to be a very efficient, lightweight
fascinating, because cleaning revealed the
and cheap filler (as described in Beiner and
presence of cut marks (Rabinovich et al.,
Rabinovich, 2013). The final result (Figure 2b)
2012). However, before the cut marks could
was sent out from our lab for photography and
be seen, there was plenty of grey-brown
3-D imaging, and was successfully turned over
quartzitic sandy paleosol deposit to be
and around by the photographer.
Figure 2: The site of Revadim Quarry, elephant scapula: A) before treatment in the lab; B) after treatment in the lab.
CASE II: SEASONAL EXCAVATION
NAHAL MAHANAYEEM OUTLET (CA. 50 kYA)
1999. NMO is a Middle Paleolithic open air site
with faunal, botanical and lithic remains
The site of Nahal Mahanayeem Outlet (NMO)
(Sharon et al., 2010; Kalbe, et al., 2013:2).
was exposed during a drainage operation in
NMO is not under water, at least not during
21
Journal of Paleontological Techniques