Special Issue. On Archaeology and Actualism Editors: Briana Pobiner & David BraunEditors: Briana Pobiner & David Braun.
Applying Actualism: Considerations for Future Research.
Briana L. Pobiner, David R. Braun.
Keywords: ACTUALISM, ARCHAEOLOGY
[+info] VOLUME 3. ISSUE 2-3. 2005 (1 issue)
This paper serves as an introduction and discussion of a collection of five papers originally presented in a symposium held at the 69th meeting of the Society for American Archaeology in 2004 entitled "Applied actualism: Experimental studies of hominid activity traces". These papers primarily present actualistic studies aimed at addressing questions of hominin carcass processing activities, generally using cutmark data. They serve as a reminder of the utility and importance of actualistic studies to test hypotheses of hominin behavior using zooarchaeological and taphonomic data. We review the manner in which actualism is used in these various studies of human butchery practices to construct models to generate test implications for the archaeological record. Finally, some considerations for future actualistic work are discussed.
The frequencies of surface modification such as percussion, cut, and tooth marks on experimental faunal assemblages are not always directly comparable to those in fossil assemblages. Extensive post-depositional modification of bone surfaces may render many of these marks unidentifiable, depressing the overall frequencies or affecting some mark classes more than others. An analysis of the fauna from an open-air Middle Stone Age site on the Loiyangalani River in the Serengeti Plain, Tanzania, illustrates this point. A coding system is presented here that allows the elimination of heavily affected fragments from analysis so that the observed mark frequencies can more closely approximate their original ones.
Keywords: ACTUALISM, BUTCHERY, CUTMARKS, MUSCLE, PHYSICS, SHEAR FORCE
[+info] VOLUME 3. ISSUE 2-3. 2005 (3 issue)
Cutmarks are the most direct evidence of faunal butchery by humans. However, the physical properties of the creation of cutmarks are currently poorly understood. Experiments to quantify the minimum amount of force required to cut through muscle tissue and to produce a visible cutmark on the surface of bone were conducted. Those force values were then correlated with the maximum amount of force exerted by a human butchering with a stone tool. By quantifying such data, archaeologists can better understand the conditions conducive to creating cutmarks. Results show: 1) less force is required to cut through soft tissue when using obsidian as opposed to chert flakes; 2) the average depth of a visible cutmark is 65-80 mm; and 3) on average males can exert a greater maximum force using both large and small stone tools than females, but both can exert forces that far exceed the minimum force requirements tested in this experiment. These results present compelling data regarding the physical processes and agents involved in the formation of a cutmark on a bone, and offer incentive for future studies to be conducted.
Cutmark frequencies are often cited in discussions of Oldowan hominid behavior, yet their interpretation remains enigmatic. To strengthen inferences derived from cutmark data, we conducted experiments with Turkana butchers. We test two hypotheses: (1) cutmark frequency is related to the amount of meat present, and (2) cutmark frequency is related to the size of the bone/carcass being butchered. Hypothesis 1 is not supported, while hypothesis 2 is supported. We document a positive correlation between bone/carcass size and cutmark frequency. We therefore advocate treating bones/carcasses of different sizes as analytically discrete units.
A Study of Cut Marks on Small-Sized Carcasses and its Application to the Study of Cut-Marked Bones from Small Mammals at the FLK Zinj Site.
Manuel Domínguez-Rodrigo, Rebeca Barba.
Keywords: CUT MARKS, SMALL CARCASSES, EXPERIMENTAL, HOMINIDS, FLK ZINJ
[+info] VOLUME 3. ISSUE 2-3. 2005 (5 issue)
Studies of cut marks have long been the subject of controversy regarding their ability to infer hominid carcass exploitation behavior, and the interaction between hominids and carnivores. Previous studies have emphasized the usefulness of cut mark frequency and distribution to reconstruct hominid access to carcasses. Still, one pending issue is how cut mark patterns vary between different carcass sizes (small versus large). This work presents new experimental results in which cut marks on small-sized carcasses are analysed and compared to both 1) experimental samples with larger-sized animals, and 2) the FLK 22 (Zinj) Plio-Pleistocene archaeological site.
Application of Return Rates to Large Mammal Butchery and Transport among Hunter-gatherers and its Implications for Plio-Pleistocene Hominid Carcass.
Foraging and Site Use.
Charles P. Egeland, Ryan M. Byerly.
Keywords: RETURN RATES, CARCASS TRANSPORT, SKELETAL ELEMENT ABUNDANCE, BONE SURFACE MODIFICATIONS, HUNTER-GATHERERS, PLIO-PLEISTOCENE HOMINIDS
[+info] VOLUME 3. ISSUE 2-3. 2005 (6 issue)
The butchery and bone transport behavior of Plio-Pleistocene hominids has sparked much debate among paleoanthropologists because of the implications these behaviors have for hominid site use and socio-ecology. Contemporary hunter-gatherers provide useful test cases for zooarchaeologists interested in modeling these behaviors prehistorically. Among the set of available utility indices meant to aid in predictions of carcass resource use, return rates may be the most useful, as they estimate the net gain associated with nutrient extraction. This study presents experimentally-derived post encounter return rates associated with the butchery of meat-bearing appendicular skeletal elements from Size Class 2, 3 and 4 ungulates. Combining these new data with published data on marrow extraction allows composite return rates to be calculated. This study applies these data to ethnoarchaeological reports of bone transport among Hadza (Tanzania) and Kua (Botswana) hunter-gatherers. Results indicate that return rate does not systematically correlate with appendicular bone transport among contemporary foragers, suggesting: (1) the difference between zooarchaeologically-meaningful (i.e. individual skeletal elements and element portions) and behaviorally-meaningful (i.e. articulated limb segments) units of analysis exaggerate the differential transport potentials of these skeletal elements and (2) maximizing caloric gain per unit time at the site of carcass acquisition may not be a primary goal. Return rates also do not significantly correlate with skeletal part abundances from a number of important Plio-Pleistocene sites. This in turn suggests that current return rate data are probably not comprehensive enough to adequately account for the many variables influencing transport decisions. Given these findings, we suggest that return rates may be more productively applied to questions of carcass processing instead of carcass transport. Addressing these questions requires an analytical shift from skeletal part abundances to hominid-inflicted bone damage. We therefore integrate experimental return rates with data on surface modifications from some Plio-Pleistocene assemblages and examine the implications for hominid carcass processing and site use.
Recent butchery experiments have acknowledged the potential influence of experience level on experimental results. This paper evaluates the effect of skill level on the number and distribution of cut marks produced on fish bone during butchery. Participants of varying skill levels (novice, intermediate, and professional) butchered a total of 30 salmon. Professional butchers differed from intermediate- and novice-level butchers in the number of cut marks produced and the amount of time required to butcher the fish. Specifically, the professional butchers produced nearly 50% fewer cut marks than novices and intermediate-level butchers; the intermediate- and novice-level butchers were statistically indistinguishable. The distribution of the cut marks varied both within and between the skill levels. These results have implications for experimental methodology and for future efforts to identify butchery skill within the archaeological record.
Weathering and Dispersal of a Cattle (Bos taurus) Carcass in the Desert of Eastern Jordan over a Six-Year Interval.
James T. Pokines, Christopher J.H. Ames.
Keywords: WEATHERING, BOS TAURUS, DISPERSAL, DESERT, TAPHONOMY, JORDAN
[+info] VOLUME 13. ISSUE 1. 2015 (2 issue)
A recently dead carcass of domesticated cattle (Bos taurus) was examined for patterns of subaerial weathering and dispersal over the course of six years in Wadi Enoqiyya, north of Azraq in the eastern desert of Jordan. The progress of taphonomic changes was plotted at one- or two-year intervals. Weathering stage 1 was reached rapidly by multiple exposed elements, and by the six-year mark, several elements had reached weathering stage 3 in the system of Behrensmeyer (1978). Minor scavenger modification was detected. Seasonal alluvial transport in the nearby wadi and trampling from goat/sheep herds were found to be significant sources of dispersal, along with carnivore scavenging. Some elements were transported up to 121 m by year six, with a cumulative distance of dispersed elements reaching 583 m.
Cannibalism is a controversial subject that has always created great expectation. Different evidences found show it was a recurrent practice amongst the different hominine species from the Lower Pleistocene to historic times. However, understanding the reasons behind this behavior in such chronologies is a complicated matter. Several Neanderthal sites have uncovered new data on anthropogenic alterations on human remains, along with a great diversity of interpretations. Some authors highlight the possibility of a ritual or symbolic meaning whereas others believe this was due to dietary necessities since studied cut marks resemble those found on faunal remains. The aim of this study is to carry out an exhaustive Neanderthal cannibalism bibliographic revision, with especial focus on taphonomical evidences such as cut mark frequencies and cut mark anatomical distribution. The main objective of this study is therefore to ponder on Neanderthal cannibalism and propose new insights on this behavior.
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