Abstract
The Ahmarian is the earliest fully fledged Upper Palaeolithic Levantine industry, and its hallmark is the el-Wad point, assumed to be a projectile implement. The Ahmarian is a blade-bladelet volumetric industry; however, bladelet production has frequently been portrayed as undifferentiated or secondary to blade production. El-Wad points are blades or bladelets with a fine to steep lateral retouch, often further shaping the tip. The role of bladelets and blades, both in the retouched and unretouched assemblages, is highly debated in order to refine Early Upper Palaeolithic (EUP) taxonomical and technological issues. Here, we use data coming from our excavations at the southern Ahmarian site of Al-Ansab 1 to reconsider the role of bladelets and el-Wad points in the assemblage. We show that bladelet production was key, and blades were mostly used to shape the convexities to produce convergent bladelets. El-Wad point blanks mostly stemmed from an early stage of the reduction sequence, being conventionally classified as small blades or big bladelets. Modification of these blanks likely improved their suboptimal shape, while smaller bladelets were not modified. Our detailed review of the existing literature produced corresponding evidence regarding lithic technology, while the exact function of el-Wad points is still pending on complementary use-wear analyses. With our new data, we expect to provoke a reconsideration of the Ahmarian technological system. As bladelets attract more and more attention in EUP research, we propose that the southern Ahmarian had already fully completed the technological and cultural shift to the preferred use of small projectile inserts.
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Introduction
The Early Ahmarian (hereafter Ahmarian) is the earliest fully fledged Upper Palaeolithic industry in the Levant (Belfer-Cohen & Goring-Morris, 2009; Gilead, 1991; Goring-Morris & Belfer-Cohen, 2018) (Fig. 1). It is associated with H. sapiens remains (Bergman & Stringer, 1989). Despite this status, the Ahmarian was one of the last taxonomical entities to be defined in Levantine prehistory, being conceived after surveys of the arid Sinai and Negev areas (Bar-Yosef & Belfer-Cohen, 1977; Gilead, 1981). The term Ahmarian was introduced earlier to name the Phases II–III assemblages of Erq el Ahmar, characterised by backed points (Font-Yves points) on blades and bladelets, and it was eventually used to describe the new assemblages found in the desert (Garrod, 1957; Gilead, 1981; Neuville, 1934). Hence, the Ahmarian came to define Levantine industries that are dominated by laminar technology and blade/bladelet tools, as opposed to the Levantine Aurignacian, which is dominated by burins and endscrapers (Gilead, 1981). Today, the Ahmarian refers to assemblages featuring narrow-fronted cores for the production of serial blades/bladelets, which are subsequently retouched into el-Wad points (slender and convergent blade/lets with partial or continuous marginal lateral retouch (Goring-Morris & Belfer-Cohen, 2018). When an Ahmarian industry is found stratified in multi-layered sites, it is preceded by the Initial Upper Palaeolithic and followed by the Levantine Aurignacian (e.g. Kebara cave, (Bar-Yosef & Belfer-Cohen, 2019); Ksar Akil, (Douka et al., 2013); Manot cave, (Abulafia et al., 2021); Tor Sadaf, (Fox, 2003); Üçağızlı, (Kuhn, 2004)).
In recent years, interest in the Ahmarian has been renewed by comparisons to the Protoaurignacian and the suggestion it could represent the first stage of H. sapiens dispersal into Europe (Hublin, 2015; Kadowaki et al., 2015; Teyssandier et al., 2010). Such a hypothesis relies mostly on dating, in addition to techno-typology similarities. Advocates of a direct relationship between the Ahmarian and the European record depend on the early radiometric determinations obtained in Kebara, Manot and Ksar Akil, where the start of the Ahmarian is placed between 46 and 43 ka cal BP (Alex et al., 2017; Bosch et al., 2015; Rebollo et al., 2011). However, critics point to the risk of charcoal contamination due to postdepositional processes (Zilhão, 2013) and the much younger determinations obtained for Ksar Akil and Üçağızlı (Douka, 2013; Douka et al., 2013, 2015; Kuhn et al., 2009). Single-layered open-air contexts, such as those often found in the Negev and Sinai, are more in line with a younger determination, even though some of these dates could represent minimal values (Gilead, 1991; Richter et al., 2020). The southern Ahmarian is dated as early as ca. 42 ka cal BP, roughly contemporaneous with the European Early Upper Palaeolithic (EUP; Boaretto et al., 2021; Phillips, 1994; Weinstein, 1984).
As the definition of the Ahmarian is a broadly laminar volumetric industry characterised by el-Wad points, its range was expanded to assemblages in the central and northern Levant, although assemblages in these areas show a different technological system. The northern Ahmarian is mostly characterised by opposed-platforms prismatic blade cores, although rare single-platform bladelet cores are also present (Abulafia et al., 2021; Bar-Yosef & Belfer-Cohen, 2019; Kuhn et al., 2009; Ohnuma, 1988; Tostevin, 2013). The southern Ahmarian is instead characterised by single-platform narrow-fronted cores producing contemporaneously slender, straight and convergent blades and bladelets (for instance Bar-Yosef & Belfer-Cohen, 1977; Coinman, 2003; Davidzon & Goring-Morris, 2003; Goring-Morris & Belfer-Cohen, 2018; Monigal, 2003). These blades and bladelets can be modified into el-Wad points by lateral marginal retouch and have become the fossil directeur of the Ahmarian (Goring-Morris & Belfer-Cohen, 2018; Le Brun-Ricalens et al., 2009; Marks, 1976).
In the first half of the twentieth century, Bate and Garrod gave the earliest accounts of retouched points in what would become the Ahmarian, relating the type to the Font-Yves point commonly associated with the European EUP (Garrod, 1957; Le Brun-Ricalens et al., 2009). At the London Symposium in 1969, it was decided to rename them el-Wad points: the term stood for curved and twisted small blade and bladelet blanks with a retouched distal tip and some additional retouch along the edge (Bar-Yosef & Belfer-Cohen, 1977; Le Brun-Ricalens et al., 2009). Later, Marks would define the el-Wad point as ‘a small blade or bladelet pointed by fine obverse retouch’ (Marks, 1976, p. 381). While the stress eventually returned to direct retouch (Bergman, 1981; Shea, 2013), over the years there was a proliferation of subtypes describing some subtle differences in the extent and location of the retouched part (Ksar Akil points (Bergman, 1981); Abu Halka points (Bergman, 1981)) and the pointe à face plane in Ksar Akil, a leaf-shaped point with invasive retouch (Bergman, 1988). Since this typological variability hampers meaningful comparisons, an attempt to provide a standard operative categorisation according to the morphology of the blank and the location and type of retouch was proposed by Le Brun-Ricalens and colleagues (Le Brun-Ricalens et al., 2009). Also worth considering is the morphometric variability of el-Wad points. An analysis of Lagama VII, a site with a large number of el-Wad points, suggested that el-Wad points are a distinct group among the Ahmarian retouched blades and bladelets, especially considering the typometry of the blanks (50–55 mm long and 8–10 mm wide (Bar-Yosef & Belfer-Cohen, 1977)). Kadowaki and colleagues showed a significant difference in length and in the length/width ratio between el-Wad points respectively associated with southern and northern Ahmarian sites, with the northern Ahmarian points being longer and wider than their southern counterparts (Kadowaki et al., 2015). This could be related to the mostly blade-oriented knapping in northern Ahmarian sites. Nevertheless, there is a morphological similarity between el-Wad points and other marginally retouched blades and bladelets in Ahmarian contexts (e.g. Bar-Yosef & Belfer-Cohen, 1977; Monigal, 2003, Fig. 11.9). As implied by the name ‘point’, el-Wad points are assumed to be projectile tips or implements in a projectile shaft (e.g. Yaroshevich et al., 2021). Some studies devoted to the recognition of impact fractures on el-Wad points are available but lack conclusive results (Bergman, 1981; Coinman, 2005; Newcomer & Bergman, 1983).
The role of bladelets in Ahmarian contexts, even though highlighted typologically in the earliest publications (Bar-Yosef & Belfer-Cohen, 1977; Gilead, 1981), has been progressively subsumed in the blade production, with a rather unspecific and secondary role (Davidzon & Goring-Morris, 2003; Monigal, 2003; Phillips, 1988). The Protoaurignacian, frequently compared with the Ahmarian, followed a similar path: once considered an industry typologically composed of bladelets (Laplace, 1966) to a view of the lamellar component as mostly a result of to the final exploitation of former blade cores or to unspecific blade/bladelet production (Bon, 2002). Recently, various authors have stated the bladelet-based nature of the Protoaurignacian technological system (Bataille et al., 2018; Falcucci et al., 2020). Therefore, a reanalysis of the Ahmarian is needed to understand if EUP industries are bladelet based or if this innovation occurred earlier in Europe than in the Levant. Furthermore, the el-Wad point has become a problematic cultural marker because of how loosely it is used in various contexts. Through the technological and typological analyses of the Al-Ansab 1 AH1 assemblage, therefore, we seek to define the role of bladelet knapping and the place of el-Wad points in the Ahmarian technological system.
Materials and Methods
Al-Ansab 1 (hereafter Ansab) is located in the Lower Wadi Sabra (30°14ʹ2.4″N 35°22ʹ58.8″E; 618 m above sea level (a.s.l.); Fig. 1) in remnant Pleistocene sediments protected from erosion by a limestone ridge (Richter et al., 2020). Geoarchaeological analyses show that the sediments are sands and gravels originating from fluvial and aeolian deposits. At the time of the Ahmarian occupation, the bed of the wadi, now ca. 20 m below the archaeological site, was level with archaeology-bearing sediments, which corresponds well with a general level of aggradation during Marine Isotope Stage 3 (Bertrams et al., 2012). Optically stimulated luminescence dating has confirmed that rapid aggradation occurred between 45 and 32 ka (Bertrams et al., 2012; Klasen et al., 2013).
Because of the proximity to the wadi, the archaeological horizon was frequently flooded, but this did not alter nor re-orient the distribution of finds and anthropogenic structures (Bertrams et al., 2012; Schoenenberg & Sauer, 2022). In the course of seven excavation campaigns (2009–2020), two archaeological layers have been found, separated by consolidated sands. Only the topmost layer AH1 has been fully investigated (Richter et al., 2020; Schoenenberg & Sauer, 2022; Fig. 2). Charcoal recovered in the AH1 and further down in the section, corresponding to AH2, shows that the site was occupied during a brief span between 38 and 37 ka cal BP (Table 1; Richter et al., 2020; Schoenenberg & Sauer, 2022). So far, a 56.5-m2 surface has been excavated, and a wider scatter of eroded artefacts was found on the slope. In fact, at the moment of the discovery two erosional steps with artefacts were present—it was only later that an upper find layer and a lower find layer were determined as the two in-situ sources of artefacts found to be mixed around the lower erosional step (Richter et al., 2020; Schoenenberg & Sauer, 2022).
Extending to the north of the upper erosional step lays the bulk of the Ahmarian occupation surface, which is rich in lithic finds (over 50,000 artefacts excluding chips) associated with charcoal, ochre and some faunal remains (mostly gazelle, Gazella sp.) and marine shell fragments (Cardiidae family) (Richter et al., 2020; Sauer & Schoenenberg, 2021; Schoenenberg & Sauer, 2022; Fig. 2). The richness in lithic artefacts is attributed to the nearby availability of good-quality cherts. Indeed, Ansab would have been a location where whole groups repeatedly visited in their quests for food, water and raw material resources (Parow-Souchon, 2020; Parow-Souchon et al., 2021; Sauer & Schoenenberg, 2021; Schyle, 2015). Raw material for AH1 lithics comes from the good quality Umm Rijam Chert Limestone (URC) and Al-Hisa Phosphorite/Amman Silicified Limestone (AHP/ASL) formations. Parow-Souchon performed detailed macroscopical and microscopical determinations of raw material on an assemblage (N 2466) made of all classes of debitage (Parow-Souchon, 2020; Parow-Souchon et al., 2021). The vast majority of the studied assemblage is fashioned on raw material acquired near the site (40–500 m), while a few pieces (N = 43) come from a 12–18-km distance (Parow-Souchon et al., 2021). Nevertheless, this exotic raw material does not account for specialised use or class of artefact (Parow-Souchon et al., 2021). The recognised artefacts scatter does not show any variance in composition, leading to the deduction that human groups performed unspecific activities in a regime of residential mobility (Parow-Souchon, 2020; Richter et al., 2020; Schoenenberg & Sauer, 2022). The site is excavated using a 1-m2 basic grid unit, which is further subdivided into quadrants of 0.25 m2. Layers are geological and are excavated in arbitrary 5-cm-deep spits. Finds ≥ 10 mm in maximum dimension have been individually piece-plotted using a total station since 2015. Finds > 20 mm have two or more points plotted to record the contour. Smaller finds are identified by quadrant and spit number alongside finds retrieved by dry sieving through a 2-mm mesh.
Artefacts here presented come solely from AH1. The technological analysis study sample consists of single plotted complete and semi-complete blanks and cores recovered during the 2009–2011 and 2018 campaigns (Table 2). Hence, the technological sample derives from already studied material (2009–2011) (Hussain, 2015; Parow-Souchon et al., 2021; Schyle, 2015) and unpublished material (2018). The technological analysis sample consists of artefacts from squares 156, 157, 158, 164, 165, 166, 167, 168, 174, 184 (2009–2011) and squares 193, 194, 195, 196, 197, 198, 203, 204, 205, 206, 207, 208 (2018; Fig. 2). The analysed artefacts cover different concentrations, but since the composition of these is even and raw material use and procurement are homogeneous, the sample is deemed representative for technotypological purposes. The sample for the typological analysis consists of complete (n = 12) and nearly complete (n = 13) el-Wad points from 2015, 2017 and 2018 campaigns (Fig. 2).
As nearly complete artefacts still allow a valid estimation of the overall shape of the point, they are included with complete el-Wad points. Other retouched blades or bladelets were not taken into consideration, as only two complete artefacts are present. Although more el-Wad points might be present among the fragments, we decided to not include them because el-Wad points are defined to be pointed through retouch, and therefore completeness and the evaluation of the whole modified edge are chiefly important. Here, we preferred to use the Shea definition: ‘el-Wad points are pointed blades or bladelets whose tips are shaped by fine and/or steep retouch, usually on their dorsal face. The amount of retouch along one or both lateral edges varies widely, as does the location of this retouch on dorsal or ventral faces’ (Shea, 2013, p. 140). Nevertheless, some morphological blank attributes (outline, symmetry, profile) according to Le Brun-Ricalens and colleagues (Le Brun-Ricalens et al., 2009) were also taken into consideration. A blank is defined as semi-complete when it features at least a portion of the mesial part in addition to the distal or the proximal end. Blades and bladelets are defined as blanks with sub-parallel edges which are roughly twice as long as they are wide when complete (Andrefsky, 2005; Inizan et al. 1999). An arbitrary threshold of 12 mm width is applied for differentiating blades from bladelets (Tixier, 1963). Cores are defined as artefacts whose last blow did not produce a ventral face and show at least three negatives (Conard et al., 2004; Soressi & Geneste, 2011).
The technological analysis has been performed according the chaîne opératoire approach (Audouze & Karlin, 2017; Inizan et al. 1999; Schlanger, 2004; Soressi & Geneste, 2011). Cores and debitage have been closely inspected to retrieve the diacritical diagram (the arrangement of negatives revealing the goal of the knapping sequence (Inizan et al. 1999, p. 126)) and allow the reconstruction of the knapping stages (mental refitting). Later, each artefact was analysed to record its discrete attributes (Table 3).
After these considerations, artefacts have been classified as initialisation (removing cortex, opening cores), management (opening and renewing convexities), simple (flattening convexities), tablets (opening and renewing core striking platforms) and burin spalls (the result of burin blow technique (Inizan et al. 1999)). The management blanks consist of sub-categories such as crests shaping an artificial or natural pre-existing ridge, asymmetrical blanks laterally struck at the edges of flaking surfaces, overshot blanks removing the distal part of the core, maintenance blanks generically related to shaping purposes and surface cleaning blanks which show a high amount of previous negatives clearing the flaking surface for the next full debitage episode. Cores have been classified following the flaking surface morphology: pre-core (abandoned at the early shaping stage), parallel edges (broad surface framed by parallel edges (Bon, 2002)), semi-tournant (semi-circumferential flaking surface involving adjacent faces (Bon, 2002; Falcucci & Peresani, 2018)), narrow fronted (narrow flaking surface isolated through flank negatives (Davidzon & Goring-Morris, 2003; Falcucci & Peresani, 2018)), narrow-fronted sur tranche (natural narrow surface (Normand & Turq, 2005)), transversal carinated (broad flaking surface on a front slicing the artefact’s thickness (Bon, 2002; Chiotti & Cretin, 2011)) and non-organised cores. Similar artefact measurements have been taken for both technological and typological samples. The length is measured according to the knapping axis on complete blanks. The width and thickness are measured at approximately mid-artefact length. Curvature is derived from the measurement of the distance from a plain surface (Fléche) at mid-length of complete blanks lying on their ventral surface following the formula \(\frac{Fl\acute{e} che\times 100}{Length}\) and the values proposed in Bon (2002). Knapping angles are measured with an analogue protractor. The investigation of retouch follows the methodology and terminology of Inizan and colleagues (Inizan et al. 1999, p. 87). The retouch location of el-Wad points was mapped by dividing the artefact into six even zones for each ventral and dorsal face (Fig. 3).
Results
Results are presented separately for technological and typological analysis. An interpretative combination will be provided in the discussion.
Result of the Technological Analysis
Cores
Only platform cores are present. Most of the cores are either semi-tournant or narrow-fronted (Table 4). Dimensionally, they can be grouped into broader cores (semi-tournant, parallel edges and transversal carination) and narrower cores (narrow fronted and sur tranche) (Table 5; Figs. 4 and 5). The Mann–Whitney test between two independent groups found a statistical similarity between the semi-tournant and the parallel edge cores’ elongation (W = 132.50, p = 0.422, r = − 0.17, CI95% [− 0.52, 0.23], nobs = 40). On the other hand, sur tranche cores are significantly more elongated than narrow-fronted cores (W = 121.00, p < 0.001, r = − 0.61, CI95% [− 0.78, − 0.36], nobs = 55). Semi-tournant and narrow-fronted cores are statistically different (W = 270.50, p < 0.001, r = − 0.52, CI95% [− 0.70, − 0.29], nobs = 68). Despite this, the morphological and dimensional difference is very fluid and, as later illustrated, the cores probably derive from a similar reduction method (Fig. 5).
Nearly half of the cores (46%; Table 6: cores’ blank) are far too reduced to determine the original raw material form. While cobbles and nodules are preferred for semi-tournant, narrow-fronted and parallel edge cores, former flakes are common for sur tranche examples (73%; Table 6: core blanks). Cores management operations give a consistent picture of the whole sample. Knapping angles are acute, < 70° (74%; Table 6: flaking angle). Only sur tranche cores show a sizeable share of less acute angles, 70–90° (38%; Table 6: flaking angle). The overhang is regularly micro-chipped (89%; Table 6: overhang abrasion). Only sur tranche cores show a significant frequency of non-chipped cores (25%; Table 6: overhang abrasion). Cortex is generally present in faces not involved in the main flaking surface, thus mostly the posterior faces are left untouched (combined 57%; Table 6: cortex). Cores that do not involve lateral faces in the main flaking surface (parallel edges, narrow fronted) are more likely to have a lateral cortical face (Table 6: cortex). Striking platforms are kept plain (95%; Table 6: striking platform type) and cores mostly have a single platform (86%; Table 6: striking platform relationship). Negatives are determined from measurements of the last complete negatives; most of the cores produce bladelets (30%; Table 6: negative types) or a combination of bladelets and blades (38%; Table 6: negative types). Only a few (14%; Table 6: negative types) are abandoned with mostly blade negatives. The negative orientation is largely unidirectional (73%; Table 6: negative directions) followed by unidirectional and convergent (19%; Table 6: negative directions).
Debitage
Blades and bladelets account for the vast majority of the debitage in the assemblage (Fig. 6). More than half of the blades and flakes are management blanks, while bladelets are mostly simple blanks (Table 7). Flakes are also prevalent in initialisation and tablets (Table 7). Within management blanks, asymmetrical ones are the most frequent in blades (47%; Table 7) and bladelets (70%; Table 7), while surface cleaning is the most frequent category in flakes (88%; Table 7).
The majority of the assemblage is non-lipped (59%; Table 8: lipping). Lipping occurs mostly in blades (57%; Table 8: lipping) and flakes (58%; Table 8: lipping), while it is negligible in bladelets (16%; Table 8: lipping). Blades and bladelets have mostly diffuse bulbs (Table 8: bulb). Flakes have either diffuse (43%; Table 8: bulb) or pronounced bulbs (41%; Table 8: bulb), diffuse bulbs being more common in management and simple blanks. Flakes have also a higher percentage of bulbar scars (12%; Table 8: bulb). Overhang removal is highly frequent among blades and bladelets (81%; Table 8: overhang abrasion). Knapping angles are mostly acute, 70–90° (44%; Table 8: flaking angle) followed by very acute, < 70° (37%; Table 8: flaking angle). Blades have a higher frequency of very acute angles (45%; Table 8: flaking angle). Plain, linear and punctiform platforms account for almost the whole debitage assemblage (Table 8: platforms). Linear and punctiform platforms are most typical of blades and bladelets, linear being equally frequent in blades (43%; Table 8: platforms) and bladelets (45%; Table 8: platforms), while punctiform increases in bladelets (29% against 17% of blades; Table 8: platforms). Faceted platforms are common only in core tablets (35%; Table 8: platforms).
The number of cortex-bearing artefacts falls from flakes (47%; Table 9: cortex) to blades (29%; Table 9: cortex) to bladelets (6%; Table 9: cortex). Flakes are the only blanks having artefacts devoted entirely to the core decortication and have the highest frequency of entames (17%; Table 9: cortex) and artefacts with more than three-quarters of the dorsal face covered in the cortex (17%; Table 9: cortex). Semi-cortical debitage accounts for the most frequent cortical artefacts in the assemblage (82% of debitage with cortex; Table 9: cortex) and for nearly all the cortical blades and bladelets (89%; Table 9: cortex). A lateral position, according to the knapping direction, of the cortical area is most common in blades (51% of the semi-cortical artefacts; Table 9: cortex) and bladelets (54% of the semi-cortical debitage; Table 9: cortex). The distal position is also common in blades (34% of the semi-cortical debitage; Table 9: cortex) and bladelets (37%; Table 9: cortex). Semi-cortical flakes are mostly lateral (47%; Table 9: cortex) and dorsal (23%; Table 9: cortex). Bladelets account for the most frequently determined negatives in the assemblage (67%; Table 9: negative types). Other than on bladelets themselves, bladelet negatives are found on most of the blades (59%; Table 9: negative types) and some flakes (17%; Table 9: negative types). Artefacts bearing unidirectional negatives are the majority across the debitage (combined 82% of artefacts with negatives; Table 9: negative orientation), followed by those only bearing convergent negatives (8%; Table 9: negative orientation).
Bladelets are mostly straight in profile (56%; Table 10: profile) followed by twisted (20%; Table 10: profile) and slightly curved (17%; Table 10: profile). Blades are less straight (38%; Table 10: profile), similarly slightly curved (18%; Table 10: profile) and more twisted (26%; Table 10: profile) and curved (15%; Table 10: profile). Blade cross-sections are mostly asymmetrical (67%; Table 10: cross-section) and trapezoidal (61%; Table 10: cross-section). Bladelet cross-sections are split between symmetrical (47%; Table 10: cross-section) and asymmetrical (46%; Table 10: cross-section), and they are mostly triangular (52%; Table 10: cross-section). Distal terminations in blades are mostly feathered (44%; Table 10: distal terminations), followed by plunged (39%; Table 10: distal termination). Bladelet distal terminations are significantly more feathered (77%; Table 10: distal termination), followed by plunged (13%; Table 10: distal termination). Outlines in blades are mostly sub-parallel (48%; Table 10: outlines), followed by off-axis (32%; Table 10: outlines). Bladelet outlines are mostly convergent (44%; Table 10: outlines), followed by sub-parallel (33%; Table 10: outlines). Chi-squared independence tests performed on the morpho-technological attributes show a significant difference between blades and bladelets (Fig. 7).
Analysis of the El-Wad Retouch
Most el-Wad points are made on bladelets (66%). Many are characterised by a straight profile (72%) with the remaining bladelets being slightly curved (24%). One was broken, so the curvature could not be measured accurately.
There are 14 different retouch combinations present within the assemblage (Fig. 8). The position of the retouch is mostly dorsal (Table 11). Comparing frequencies in lateralisation, the right dorsal edge is more prominent (Fig. 8). This is the result of most artefacts being either retouched on both dorsal edges (n = 13, Table 11) or just the right dorsal edge (n = 8, Table 11). Retouch along the left dorsal edge is limited to a single el-Wad point. However, the only lateralisation present within inversely retouched points is on the left (n = 3, Table 11). Concerning the extent of the retouch, 15 artefacts show retouch of at least a single whole edge; 13 of them on the right edge, which may or may not include additional retouch on parts of the left edge (Fig. 8).
Our observations show that the type of retouch can vary from fine to steep and may also, in some instances, change along the same edge (Fig. 9b–d). A continuous retouch with no changes in its angle or the amount of material that was being removed is less frequent. The inverse retouch seems to be limited to the smallest points in the assemblage—three of the five shortest points can be linked to such retouch (Fig. 9g). Furthermore, there are no specific retouch types or combinations that can be attributed to either bladelets or blades.
The only el-Wad subtype found in Al-Ansab 1 is the Ksar Akil point (Fig. 9c; Bergman, 1981). In fact, five el-Wad points are straight in profile, symmetrical, dorsally retouched and have the metrical dimensions of blades. Other variations of el-Wad points, such as Abu Halka or Ouchtata points, are not present within the assemblage.
The Dimensions of Retouched and Non-retouched Components
As the el-Wad points usually display characteristics akin to simple blades and bladelets, we performed a Mann–Whitney independent samples test to compare their metrics with those of simple blades, bladelets, and combined blades and bladelets (Table 12). Lengthwise, el-Wad point distribution is independent of those of blades, bladelets, and blades and bladelets combined (Figs. 10A, 11A, and 12A). The width is independent of those of single blades and bladelets (Figs. 10B and 11B), but it statistically matches that of blades and bladelets combined (Fig. 12B). The thickness statistically matches that of the blades (Fig. 10C) but is statistically different from that of bladelets, and blades and bladelets combined (Figs. 11C and 12C). Similarly, el-Wad point curvature statistically matches that of the blades (Fig. 10D) but is different from bladelets, and blades and bladelets combined (Figs. 11D and 12D). The elongation of el-Wad points is statistically different from that of blades, bladelets, and blades and bladelets combined (Figs. 10E, 11E, and 12E).
Discussion
The technology and typology at Ansab have been previously assessed using the 2009–2011 material (Hussain, 2015; Parow-Souchon, 2020; Parow-Souchon et al., 2021; Schyle, 2015). While Schyle’s (2015) and Hussain’s (2015) work was mostly concerned with identifying Ahmarian techno-typological hallmarks, Parow-Souchon (2020; Parow-Souchon et al., 2021) is more concerned with integrating technology in the broader mobility system and with reconstructing raw material procurement. The present technological analysis built on these results and, focusing on bladelet technology, was included in the wider scope to assess technological conduits between the Ahmarian and the European EUP record (Gennai, 2021). Here, we limited ourselves to the comparisons between other Ahmarian assemblages. We enlarged the sample of the thoroughly studied AH1 lithics, adding artefacts retrieved during the 2018 excavation campaign.
Technology
The technological assessment is in fundamental agreement with Hussain (2015) and Parow-Souchon and colleagues (Parow-Souchon et al., 2021). Nevertheless, the interpretation has shifted, especially regarding the relationship between blades and bladelets.
The chaine opératoire is rather standardised and allows for almost no variation until the discard of the core (Fig. 13). It starts with collecting locally sourced, mostly tabular-shaped raw material (Parow-Souchon et al., 2021). The presence of a cortical surface on one of the lateral core faces and of a weathered surface on the back of the core is consistent with what was observed for cortex extent and position on cores and debitage. The preparation of the core striking platform and in general the decortication process uses flakes. Additional flakes are knapped during later operations of lateral adjustments of the flaking surface. Furthermore, flakes are the preferential blank class for the re-preparation of the striking platform along with the reduction.
The reduction follows a unidirectional mode. Only the tablets show an inversion of knapping direction since the core length is perpendicularly ‘sliced’ using the primary flaking surface as a striking platform. This results in seemingly faceted platforms, where the faceting corresponds to the former unidirectional negatives. Otherwise, the platforms are predominantly plain, linear or punctiform, supporting the plain striking platform observed on cores. The technical attributes (bulbs, flaking angle, overhang removal and platform morphology) generally support the notion of tangential, soft-hammer and direct percussion (Pelegrin, 2000, 2011). In particular, the previous Ansab analyses (Hussain, 2015; Parow-Souchon et al., 2021) suggested a differentiation of percussion techniques among blanks classes: hard-hammer, direct percussion for flakes and tangential, soft-hammer and direct percussion for blades. This is supported by the results reported here for bulbs, overhang and platforms, even though we urge caution in over-interpreting technical observations since experimental studies have shown that technical proxies could relate to other factors, such as the individual knapper’s skill (Driscoll & García-Rojas, 2014; Roussel et al., 2009).
The initial convexity establishment seems primary to use naturally existing ridges, with minimal shaping. Therefore, crests are mostly unifacial. As evidenced also by Parow-Souchon and colleagues (Parow-Souchon et al., 2021), the flaking surface is decorticated in instalments, which leads to the interpretation that narrow flaking surfaces were subsequently exploited around ridges, shifting from one core side to another (Figs. 4 and 13). This is in accordance with the scarcity of fully cortical blades and bladelets. Another indication of the shifting of the flaking surface, at least until the core volume allows it, is the high frequency of asymmetrical management blades in the assemblage (Table 7). These blanks, already described in Hussain (2015) as débordant blades, are a way of shaping the distal and transversal convexities without major interruption of the simple debitage knapping. Due to their asymmetrical cross-section, plunged distal termination and twisted longitudinal profile, they are apt at encasing a flat, convergent volume exploited for simple debitage.
In the assemblage, the blanks that are consistent with the exploitation of these core volumes are mostly bladelets. There are multiple considerations to support this statement. First, the numbers: despite bladelets being less numerous than blades, they are overwhelmingly classified as simple debitage (Table 7). Second, the type of negatives: most of them are bladelets in size and they occur on every blank class in the assemblage, regardless of size, therefore making it difficult to attribute these bladelets solely to advanced stages of the reduction or dedicated small cores. The frequency of indeterminate negatives in blanks is due to the incomplete width of many negatives since it is impossible to ascertain which category a negative belongs to without a metrical determination. Bladelet negatives may have an advantage in being represented due to their small dimensions making them detectable. On the other hand, finding bladelet negatives on larger elements, such as blades and flakes, shows that bladelets are not the implicit result of size reduction through knapping, but they are explicit knapping objectives. Third, the diacritic analysis: narrow core volumes call for narrow products. This is not exclusive to the southern Ahmarian but rather an occurrence diffused in other bladelet-based technologies (Bataille et al., 2018; Falcucci & Peresani, 2018; Falcucci et al., 2017; Gennai, 2021; Porraz et al., 2010; Slimak et al., 2002). Bladelet negatives are most often found in central positions, covering other negatives, and not exploiting the whole length of cores. This is consistent with their morpho-technological attributes showing a fundamentally straight, convergent morphology.
Some researchers working on Levantine assemblages prefer not to state a conceptual difference between blades and bladelets (cf. blade/lets Davidzon & Goring-Morris, 2003; blade(let)s Hussain, 2015, Schyle, 2015; blade/bladelets Monigal, 2003; target blades Parow-Souchon et al., 2021). Nevertheless, frequently Ahmarian assemblages are bladelet oriented if applying Tixier’s threshold (1963). For example, in Nahal Nizzana XIII, where almost half of the material can be refitted, yielding important insights into the Ahmarian technical behaviour, most of the original nodules are flat and have flaking surfaces that rarely exceed 25 mm in width (Davidzon & Goring-Morris, 2003). Therefore, hardly any blade could be knapped from the central release surface. In Boker A, the combined blade and bladelet mean width is 12.3 mm, with the highest frequencies measured in the 7–11-mm interval (Monigal, 2003). In Ansab, the median length provided (31.5 mm) for Stage V blades is within the Tixier’s bladelet length definition (Parow-Souchon et al., 2021). Despite this, Student t-tests comparing the length summary data of simple bladelets (mean = 30.6 mm, SD = 10.8) and simple blades and bladelets (mean = 38.8 mm, SD = 15.6) with their stage V blades (mean = 35.3 mm, SD = 16.4) show in both cases statistical independence between this sample and that of Parow-Souchon and colleagues (p < 0.01; p < 0.01). In the Jebel Qalkha area, the frequency of bladelets rises sharply during the Ahmarian, becoming the prevalent laminar blank (Kadowaki et al., 2021). In Tor Sadaf, bladelets by far outnumber the blades in the assemblage, and the mean width of the laminar debitage is 12.2 mm (Fox, 2003). Interest in producing bladelets can be deduced also from the Gebel Lagama sites (Bar-Yosef & Belfer-Cohen, 1977; Gilead & Bar-Yosef, 1993). When a technological analysis is applied, it is shown that management blanks, such as the thick and cortical asymmetrical debitage, occur mostly on blades (Davidzon & Goring-Morris, 2003; Hussain, 2015; Monigal, 2003; Parow-Souchon et al., 2021). At the moment, Qadesh Barnea 601 seems to be the only major southern Ahmarian site where blades (width 14 mm) are dominant within the assemblage (Gilead & Bar-Yosef, 1993).
Monigal (2003) shows that in Boker A bladelet cores are frequent, in addition to blade-bladelets cores. They also show a similar reduction sequence to blades-bladelets cores, only they are executed on purposely small raw material pieces. Such disassociation is rarely found in the other presented southern Ahmarian sites, where bladelets are predominant despite the use of a mostly single chaîne opératoire.
The reasons for such bladelet explosion during the Ahmarian, and in general for the EUP, are often linked with increased mobility and efficiency in raw material exploitation driven by the use of smaller nodules or less reliance on big, good quality raw material nodules (Bon, 2005; Kadowaki et al., 2021). Indeed, the southern Ahmarian shows a model of land use linked with highly mobile groups repeatedly visiting favourable locales where different resources (knappable material, food and water) were plentiful (Bar-Yosef & Belfer-Cohen, 1977; Davidzon & Goring-Morris, 2003; Gilead & Bar-Yosef, 1993; Kadowaki et al., 2015; Parow-Souchon et al., 2021; Phillips, 1988). Such focus on unidirectional, slender products is directly connected to the available chert sources, which mostly display a narrow edge. Nevertheless, as shown by this analysis, even when a broader volume was attainable, the knapper still preferred to parcel it in narrow volumes.
In contrast, the northern Ahmarian is mostly characterised by blade production from bidirectional, parallel-framed cores. In Kebara units IV and III, Ksar Akil levels XX/XIX–XIV, Üçağızlı layers C–B and Manot Cave area C unit 7, there is the same focus on blades obtained from bidirectional cores, and the flaking surface is still positioned on a narrow, longitudinal face (Abulafia et al., 2021; Bar-Yosef & Belfer-Cohen, 2019; Bergman, 1988; Kuhn et al., 2009; Ohnuma, 1988). Blades are parallel-sided and do not show the convergence found on blades in the south. Also, different from in the south, the main blank for creating convexities are bifacial crested blades (Ohnuma, 1988). Nevertheless, the core striking platforms are plain, and the overhang removal is thorough as in the southern Ahmarian, resulting in thin, small platforms. The higher frequency of blades does not seem to be an accident of antiquated excavation practices because Üçağızlı and Manot have been excavated with modern techniques (Abulafia et al., 2021; Kuhn, 2004). It has been noticed that, at least in Üçağızlı, the increase in bidirectional blade cores occurs with a shift in raw material procurement, as better quality raw material was imported from a more distant source. Thus, the bidirectional modality would have been a more efficient way of extracting blanks than the previous single platform cores (Kuhn, 2004; Kuhn et al., 2009). Tostevin (2013) observes that in Kebara the bidirectional modality applies most often in the first phases of the knapping, supporting the hypothesis that bidirectional knapping is reserved to obtain the longest possible blanks. The most interesting data comes from Manot: while the frequency for blade cores here is similar between bidirectional and unidirectional modalities, bladelet cores are only unidirectional and largely convergent (Abulafia et al., 2021). It is stressed that bladelet cores do not share a similar configuration with southern narrow-fronted cores, even though the only twisted elements cited are bladelets associated with pyramidal cores, which are reminiscent of the débordant elements in the south.
A peculiar case is represented by Mughr El-Hamamah, whose layer B, dated around 39–45 ka cal BP, probably represents several short-lived campsites sealed by the historical age layer A (Shea et al., 2019). The prismatic cores are mostly similar to the sur tranche cores and produce mostly blades, but most of the cores are exploited through bipolar technology, classifying themselves among the scaled pieces. In addition, there are Levallois cores, some of them exhibiting a double patina and thus probably recycled (Shea et al., 2019, p. 5). The main negative pattern is bidirectional, not surprisingly due to the high frequency of bipolar cores. The focus seems to be on obtaining parallel blades and bladelets, with very few twisted elements. The knapping concepts employed on-site, despite not being dramatically different from the Ahmarian, are sufficiently unique to be recognised as a departure from it (Shea et al., 2019).
Typology
Contrary to most lithic points of earlier and later Palaeolithic phases, the el-Wad points show large variability not only in their metric dimensions but also in their overall shape and the retouch applied to them. This makes it difficult but crucial to investigate and compare every mentioned aspect to find a plausible explanation for their purpose. The comparison of metric dimensions of both simple blades/bladelets and el-Wad points shows that there are significant similarities regarding the width (p > 0.05; Fig. 12B), but that el-Wad points are both more elongated and longer than simple blades and bladelets. Although the width of the el-Wad points may have been reduced by retouch, the difference in median elongation between them and the simple blanks is too big to hypothesise that a reduction of the width through retouch affected the length/width ratio to such an extent. This hints that mostly large and elongated blanks underwent modification and that the rest of the central simple blades and bladelets were generally left unmodified. Although generally large and elongated dimensions were preferred, there is still some variation in the overall length and elongation (Table 12). On the other hand, a higher variability can be observed for the simple blank width, while the el-Wad points are concentrated between 10.2 and 13.3 mm (Table 12). Therefore, it can be stated that the preferred blank sizes are small blades and big bladelets, which, given their average length compared to those of simple blades and bladelets (Fig. 12A), mostly stem from the early reduction phases (Fig. 13: stage 2).
In addition to the shape-defining factors discussed above, symmetry has also been highlighted as an important attribute in the blank selection process (Davidzon & Goring-Morris, 2003). Its importance may also be reflected by the application of retouch on some el-Wad points. While there are no clear patterns visible regarding the location and type of retouch, in some cases it seems to fulfil a shaping purpose. This has been observed for the el-Wad points of Ksar Akil (Bergman, 1981) and also appears to some extent within the assemblage of Al-Ansab 1. Two examples (Fig. 9a, f) stand out where extensive retouch was presumably applied to provide symmetry. This may also explain the variety of retouch combinations as a result of individually reshaping some of the laminar blanks into the preferred final product. It has to be noted though that not all points fit a concept of symmetry; some are asymmetrical (Fig. 9d, e). Possible reasons for this may be that they are either unfinished products or symmetry was not essential for this individual point.
The possibility of lateral hafting concerning el-Wad points has recently been raised and seems to be connected to the overall elongation and narrow shape of the points compared to those from the preceding Initial Upper Palaeolithic (Yaroshevich et al., 2021). If this is indeed the case, and the increase in the length of the sharp edge is seen as a way to increase the weapon’s efficiency (Yaroshevich et al., 2021), a lateral hafting regarding the el-Wad points of Al-Ansab 1 seems very likely. Not only do 14 artefacts bear a continuous retouch along one dorsal edge, but they are on average also one of the longest el-Wad point assemblages of the southern Ahmarian (in comparison to the sites investigated by Kadowaki et al., 2015).
However, the variability in size among el-Wad points is undeniable, and even though there are also small points present, they show different retouch patterns. While most of the points are retouched on the dorsal face, with the right edge being favoured (Fig. 8), only the smallest el-Wad points show inverse retouch. This indicates that size may be an important factor for the decision between dorsal and ventral retouch and may also point to a different use or hafting purpose. To confirm this hypothesis, a comparison of use-wear between both inverse and obverse retouched el-Wad points is necessary. The strict distinction between inverse and obverse retouch also stands out compared to other sites of the southern Ahmarian (Tor Sadaf & EHLPP1) where, contrary to the site of Al-Ansab 1, el-Wad points with alternating retouch are present (Coinman, 2003). However, the lack of quantifiable data regarding other Ahmarian sites limits the value of this observation.
The purpose of el-Wad points has been a topic of interest for quite some time. While they are typically referred to as projectile points (Newcomer & Bergman, 1983; Shea, 2006; Sisk & Shea, 2011), a more versatile use also involving cutting and butchering procedures has been suggested (Eren & Kuhn, 2019; Parow-Souchon et al., 2021). The limited research that has been conducted on use-wear regarding el-Wad points focuses mainly on macroscopic impact fractures and provides indications of such fractures being present on el-Wad points of different Ahmarian assemblages, including the sites of Ksar Akil and Üçağızlı (Bergman, 1981; Eren & Kuhn, 2019; Newcomer & Bergman, 1983). To ensure an accurate recognition and analysis of use-wear, extensive training, as well as a large set of experimental tools, is essential (Rots & Plisson, 2014). Since neither of these was available, no proper use-wear analysis has been conducted on the assemblage of Al-Ansab 1. Nevertheless, at least one of the el-Wad points under investigation showed a burination scar, which might be linked to a possible impact fracture, but it will need further investigation to be confirmed (Fig. 9h). It has been stated before that a low frequency in diagnostic impact fracture (DIF) might be a result of lateral hafting (Yaroshevich et al., 2021). The tips of laterally hafted points or blades are less vulnerable to impact and therefore lead to fewer DIFs (Yaroshevich et al., 2013). Hence, we assume that most el-Wad points of the Ansab assemblage were non-tip lateral hafted elements.
Conclusion
The raw data coming from rich, recently excavated sites like Al-Ansab 1 is pivotal for advancing knowledge of a technocomplex. We have explored and updated the relationship between the southern Ahmarian technology and its cultural marker: the el-Wad point. The technology at Al-Ansab 1 revolves around the obtention of bladelets (blades smaller than 12 mm wide) from unidirectional platform cores. There is no correlation between core original size and blank size, i.e. bladelets seem to have been sought-after blanks since the start of the reduction. Conversely, blades are still an important part of the reduction, but mostly for shaping roles creating the perfect volumes for the bladelets. The differentiated production is likely to be intentional because the management items are frequently turned into heavier-duty tools, like burins or scrapers (Davidzon & Goring-Morris, 2003; Hussain, 2015; Monigal, 2003; Parow-Souchon et al., 2021). Nevertheless, the emphasis on Ahmarian knapping products is often placed on the slender, regular, symmetrical and straight blades and bladelets coming from the central volumes of cores and highlighted by the management negatives. El-Wad points are primarily made on this type of blank (Belfer-Cohen & Goring-Morris, 2008). As projectile points and cutting knives, these were probably the main part of the mobile personal toolkit and were therefore consequential to the high degree of mobility and exploitation of the Ahmarian landscape.
In Al-Ansab 1, morpho-technological characteristics, often referred to as el-Wad points and Ahmarian lithic production, are mostly tied to bladelets. A thorough review of the existing literature shows that most of the southern Ahmarian assemblages follow this trend, even if a formal division between bladelet and blade roles is not applied by the original authors. When looking at Ansab’s el-Wad points specifically, we notice that they sit mostly at the threshold between blades and bladelets, despite being skewed towards the bladelets. Retouch patterns are consistent mostly with edge adjustment for hafting but, in some cases, it could also indicate a higher degree of shaping, especially towards the tip. Thus, we argue that retouch mostly concerned blanks obtained in the first stages of the core reduction. Nevertheless, reduction continued and several of the cores are extremely reduced, as can be observed in other Ahmarian sites (e.g. Nahal Nizzana XIII (Davidzon & Goring-Morris, 2003)). In other sites, the knappers intentionally selected small nodules for obtaining bladelets (Monigal, 2003). Interestingly, in Al-Ansab 1, bladelets are the only blanks that bear an inverse retouch, maybe denoting a differential treatment for the smallest of the retouched implements. The obtention of progressively smaller and more regular implements is a constant in the debate over the adoption of more and more sophisticated projectile technologies (Sano et al., 2019). The dichotomy is often between an implement that is technologically curated against one that is typologically curated (Belfer-Cohen & Goring-Morris, 2008). Studies of this nature still need to be widely applied to Levantine Upper Palaeolithic assemblages, but it seems that the southern Ahmarian already represents a full shift towards small projectile technology.
Data Availability
The datasets generated during and/or analysed during the current study are either included in the published article or available in the CRC806 database repository, www.crc806db.uni-koeln.de (Gennai, J., Schemmel, M. (2022): Data on flakes, blades, cores, and el-Wad points from Al-Ansab 1 AH1. CRC806-Database, https://doi.org/10.5880/SFB806.80).
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Acknowledgements
We thank the Department of Antiquities (Amman/Jordan) for granting the excavation permits and Professor Maysoon Al Nahar from the University of Jordan, Amman, for supporting logistics and student participation. We thank the two anonymous reviewers who have contributed to improving the paper.
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Open Access funding enabled and organized by Projekt DEAL. J.G.’s Ph.D. research and research et al.-Ansab 1 was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – Projektnummer 57444011 – SFB 806.
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Conceptualisation: J.G., M.S., J.R. Methodology: J.G., M.S., J.R. Formal analysis: J.G., M.S. Investigation: J.G. (technology), M.S. (typology), J.R. (archaeological excavation). Resources: J.R. Data curation: J.G., M.S., J.R. Writing—original draft: J.G., M.S., J.R. Writing—review and editing: J.G., M.S., J.R. Visualisation: J.G., M.S. Supervision: J.R. Funding acquisition: J.R.
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Gennai, J., Schemmel, M. & Richter, J. Pointing to the Ahmarian. Lithic Technology and the El-Wad Points of Al-Ansab 1. J Paleo Arch 6, 6 (2023). https://doi.org/10.1007/s41982-022-00131-x
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DOI: https://doi.org/10.1007/s41982-022-00131-x