Santander, February 19th-22nd 2008 - Aranzadi

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Shells Acanthocardia of Glycymeris sp., violascens, Nassarius sp. Pecten andjacobaeus,
pellucida were also present all of these Cyclope
Additionally, evidence of leather work, ochre sites.
and lithic industry were found some of these site. use
(Estrada 2004).
Figure 5. Exemplar of double perforated Triviasp., detail photo at 40x and 60x.
4. ROC DEL MIGDIA
graphy The from Roc the del Upper Migdia Palaeolithic displays a until complex the Bronze strati-
1994, Age, and Yll also et al. the 1996, remains Paz of et al. a 1992). Roman Recent grave (Yll excavations
Epipalaeolithic at the site have layers shown which there to have be a produced series of sea-
et al.
led following uncalibrated radiocarbon dates: 7,280 ±370 the
years 198), 8,190 BP (UBAR ±320 197), years 7,950 BP (UBAR ±370 years 196) BP and (UBAR
±240 years BP (UBAR 272). These levels contain 8,800
instruments of flint and quartz, as well as faunal líthic
remains scrof and (Cervus especially elaphus, rabbit:Oryctolagus Capreolus capreolus, cuniculus), Sus
terrestrial associated and with marine the lithics. Mollusca, and ochre remains
contained The different a significant prehistoric number levels of at Roc shell del artefacts, Migdia
such gastropods perforated and scaphopods valves, bivalve used fragments as ornamental and
objects. glycymerissp., Species Chamelea represented gallina are Glycymeris
Cardium sp., Patella vulgata yPatellasp., Pecten Mytilus sp.,
sp., Columbella Buccinum sp. rustica and sp., Dentalium Conus mediterraneus
Currently, 72 malacological objects have vulgare been discoveresence
of in unaltered several years shell, such at Roc as del the Migdia. Glycymeri The pre-
sp.
valves, and some burned fragments and valves sp.
Mytilu sp. and Glycymeri sp. suggests distinct of
MÒNICA OLIVA & RIKER YLL
uses. across Some the same of archaeological the individuals level were (for dispersed
fragments of the same Glycymerissp. or G. example
cain the J14 and J13 sectors). The relationship insubriween
the burned fragments of different malacological
is not species evident. and But, the there different is a combustion relationship structures
bet-
these burned fragments and the ash-coloured between
levels units seem in which to correspond they appear. on many These occasions sedimentary
result of cleaning of the combustion structures. to the
cal perforation, Most of the in Glycymerissp. the umbo zone, valves made have by an human api-
action. 247 has One a double of the perforation, valves, GlycymerisRM82- one of them over I10-Vsurface,
in the ventral proximal margin made the
natural action like a predation(for example, by naticids
two techniques: or muricids). in The Glycymeris perforations RM07-G- by humans 120-62e, show
by
there tool, but are in traces GlycymerisRM07- suggestive of G-100- rotation H10-12b with a lithic
initial abrasive process and secondly a direct concentrically
hole can be rotation seen. Abrasive to make traces a bigger were and also regular
an
ved in some shell debris and fragmentary valves: obser-
few small Chamelea gallinafragments display a brilliant
maybe surface the result concentrated of a erosive/abrasive on the pallial use with zone,
a
edge, and of burning; some of the burned this
over Glycymeri the surface shells or present on valve intense margin, erosive but effects
not be determined whether this as the result it can-
human action; finally in Glycymerisvalve RM91- of
K9-8-nocoord direction were observed some abrasive that can traces be compared with irregular
examples from other prehistoric sites (Oliva in with
volume) and it is possible that it would be used this
a object or tool. This question is currently the subject like
of further study sp. (Fig.6). (Glycymeris Other glycymeris examples and of
Balma Glycymeris del Gai violascens) (Moià, Bages), were found mostly in a fragmented, nearby site,
eroded and burned shells (Estrada, 2004).
assemblage The greatest in Roc component del Migdia is of the the used marine ornamen-
shell
ornamental objects. Despite pieces, the there number is no of evidence them, currently of on-site 48
production, are made from such shells as primary of material. Columbella The ornaments
Conus mediterraneus with 3 perforated rustic Glycymeris and
glycymerisvalves, gareand one Cardium a small sp. number bead (Fig. of 7). Dentalium vul-
often Ornaments appear in western made with Mediterranean Columbella prehistory. rustica
MUNIBE Suplemento - Gehigarria 31, 2010
S.C. Aranzadi. Z.E. Donostia/San Sebastián