Modern Human 'Handaxes' from the Barkly Tableland of Northern Australia
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Lithics 32 THE ACHEULEAN DOWNUNDER: MODERN HUMAN ‘HANDAXES’ FROM THE BARKLY TABLELAND OF NORTHERN AUSTRALIA Adam Brumm1 and Alec Rainey2 ABSTRACT A collection of large shaped bifacial tool forms recovered from undated surface localities in the Barkly Tableland of northern Australia is described. We present our views on the manufacture and purpose of the bifaces and consider their implications for the use of handaxes as time-sensitive markers of the Acheulean. Full reference: Brumm, A. and Rainey, A.. 2011. The Acheulean downunder: modern human ‘handaxes’ from the Barkly Tableland of Northern Australia. Lithics: the Journal of the Lithic Studies Society 32: 50–62. Keywords: Australian bifaces, Barkly Tableland, Acheulean handaxes. INTRODUCTION A small collection (n = 17) of bifacially flaked stone artefacts was recovered by AR on This paper considers an enigmatic series of Brunette Downs cattle station on the Barkly large handaxe-like bifaces collected from Tableland, Northern Territory, in 1966 (Barkly surface contexts on the Barkly Tableland of [Rainey] 1979; Rainey 1991, 2010) (Figure 1). northern Australia. The Barkly bifaces are The Barkly Tableland comprises a vast intriguing within the Australian prehistoric expanse of semi-arid open grasslands and context, owing to their rarity and lack of alluvial clay plains spanning approximately corroborating dating evidence. They are also of 100,000 km2 of the northeastern part of the wider interest due to their typological Northern Territory and adjacent portions of resemblance to bifacial handaxes, and northwest Queensland (Williams 1928). The subsequent implications for our understanding bifaces were found in surface contexts at of Acheulean evidence in the Palaeolithic Old separate locations on the 12,000 km2 cattle World. Here, we outline briefly the history of station, most often near boreholes, or stock discovery of the bifaces and describe the watering points. One chalcedony biface was methods employed by Aboriginal recovered in association with an extensive stoneworkers to manufacture them. We present surface scatter of flaked chalcedony artefacts, further archaeological and ethnographic suggesting a primary reduction area or possible evidence for the production and use of similar quarry. AR questioned several Aboriginal bifaces elsewhere on the Barkly Tableland and stockmen working on Brunette Downs about further afield in northern Australia. Finally, we the function of the bifaces, but no information consider the implications of the Barkly bifaces was forthcoming. The bifaces were interpreted for current characterizations of Acheulean tool by informants as non-cultural objects; it was distributions. The bifaces are not connected to explained that the chalcedony stones from Lower Palaeolithic hominins in any way other which some of the bifaces were made were than their production method and form; pieces of cloud that had fallen from the sky however, the resemblance to Acheulean (Rainey 1991). handaxes is striking. As examples of unambiguously modern ‘handaxes’ they Archaeological opinions provide a salutary warning against the long- standing practice of attributing bifaces to Shortly after the discovery of the Brunette hominins on typological grounds alone. bifaces they were shown by AR to a number of eminent Australian archaeologists. One THE BRUNETTE DOWNS BIFACES scholar, Alexander Gallus, a Hungarian archaeologist based in Australia at that time History of discovery (see Gallus 1964, 1968; also Veth et al. 1998), was particularly intrigued by the implements, 1 Centre for Archaeological Science, School of Earth and Environmental Sciences, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia. [email protected]. 2 9 Malta Road, Cambridge CB1 3PZ, England, U.K.. [email protected] 49 Adam Brumm and Alec Rainey in brief published notes in the official newsletter of the then Archaeological Society of Victoria, The Artefact (Rainey 1973; Barkly [Rainey] 1979), and the pages of this journal (Rainey 1991; see also Rainey 1997). Frederick McCarthy, however, reproduced photographs of the Brunette Downs bifaces in his seminal volume on Australian stone artefact typology (McCarthy 1976). McCarthy classified the Barkly bifaces as ‘handaxes’, but in correspondences with AR described them as ‘enlarged version[s] of the biface point’ (letter dated 24 June 1970; see Rainey 1991). Concerning the use of this nomenclature, it should be noted that ‘handaxe’ was a relatively common descriptive term employed by some early Australian typologists (other than Gallus) with reference to a range of Aboriginal stone tools. Tindale (1941), for example, used the term to refer to minimally modified rectangular blocks of stone employed in the Western Desert as makeshift tools for felling trees and opening hollow logs. Figure 1. Map of northern Australia showing the Barkly Tableland. Technology and circulated them among colleagues on AR’s behalf. Gallus proposed that the bifaces were, The Brunette bifaces (Figures 2-5) vary in in fact, Acheulean handaxes, and that they length between 71 mm and 174 mm (Figure 6), demonstrated the presence of non-modern with an average maximum linear dimension of hominins in Australia (letter to Rainey dated 113.6 ± 29.5 mm. They are all invasively 16 September 1970). This sensational (and flaked and generally bilaterally symmetrical unpublished) interpretation of the Brunette bifaces made on marine-banded chert (n = 15), bifaces as Acheulean handaxes was, perhaps, known locally as ‘ribbonstone’, or chalcedony not so outlandish as it seems now. Handaxe- (n = 2). The presence of remnant portions of like bifaces were recovered from the Baksoka cortex on the obverse and reverse faces of five River valley near the town of Pacitan in chert bifaces, and one chalcedony biface, eastern Java, Indonesia, in the mid-1930s (von indicates the selection in these cases of Koenigswald 1936). These so-called relatively flat, tabular pieces of raw material, ‘Pacitanian’ bifaces are now generally believed or ‘slabs’, for tool reduction. It was not to date to the Late Pleistocene or early possible to determine the nature of the blanks Holocene (Bartstra 1984), but early scholars used for the remaining specimens. Most attributed them to Acheulean populations of bifaces exhibit relatively deep scars with Homo erectus (von Koenigswald 1956; but cf. prominent negative bulbs, suggesting the use Movius 1948), a view maintained by some of hard-hammer percussors. Indonesian prehistorians today (e.g. Simanjuntak et al. 2010). Nonetheless, The Brunette bifaces fit comfortably within the Gallus’s view of the Barkly bifaces was not typological definition of Acheulean handaxes. widely shared by his colleagues. Other They have an average flatness ratio [W/Th]) of archaeologists who inspected the specimens at 2.2 ± 0.4, and a slightly lower refinement Gallus’s or AR’s request either questioned index than a sample of Acheulean handaxes their authenticity or regarded them as from Africa, the Near East, and India (Figure unground axe blanks or preforms for the 7). The bifaces range in plan form from manufacture of bifacial projectile points. The ovate/limande to elongate and pointed, with Barkly bifaces were eventually described only the majority (76.4%) falling into the latter 50 Lithics 32 Figure 2. Bifaces from Brunette Downs Station, Northern Australia. Scale is 50 mm. Figure 3. Bifaces from Brunette Downs Station, Northern Australia. Scale is 50 mm. 51 Adam Brumm and Alec Rainey Figure 4. Large ovate bifaces from Brunette Downs Station, Northern Australia. Scale is 50 mm. category. The average elongation (L/W) ratio ‘unifacial beveling’ technique (see Moore of the bifaces is 1.9 (range = 1.5 to 3.2). Most 2003). This entailed the removal of a series of of the specimens exhibit regular patterns of steep, non-invasive flakes from a part of the retouch and an acute edge extending around perimeter of one face, after which the piece most or all of the outer perimeter. Two have a was rotated and invasive flakes struck from the distinct S-twist edge profile (Figures 3E and opposite face, using scars from the previous 4A), and one of the chalcedony bifaces has removals as platforms. Following this initial denticulate-like retouch along one margin bifacial thinning phase, a series of smaller (Figure 3A). In total 14 bifaces have biconvex retouching flakes was removed from around cross-sections, while the rest are planoconvex. the margins of the biface, especially at the butt, On most specimens the thickness plane varies which was trimmed on one face. The other little from the butt to the tip, which probably bifaces exhibit this same, two-staged reduction reflects the natural morphology of the tabular process: early thinning and contouring using pieces selected for reduction. However, six the unifacial beveling technique, followed by have ‘globular’ butts. Two bifaces are final trimming of the margins. somewhat narrow relative to their width (thus resembling bifacial foliates) and exhibit flake Function scar configurations suggestive of intensive resharpening (Figure 2C-D). An incomplete The function of the Brunette bifaces is unclear. Brunette biface collected by AR (not included It seems reasonable to assume, however, that in the above-described sample) has a large, the artefacts are purposefully shaped bifacial deeply concave scar initiated from near the tools. The objects somewhat resemble centre of one face, which appears to indicate bifacially flaked axe blanks, which