Peer Review History
| Original SubmissionJanuary 14, 2025 |
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Dear Dr. Plisson, Please submit your revised manuscript by Apr 25 2025 11:59PM. If you will need more time than this to complete your revisions, please reply to this message or contact the journal office at plosone@plos.org . When you're ready to submit your revision, log on to https://www.editorialmanager.com/pone/ and select the 'Submissions Needing Revision' folder to locate your manuscript file.
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Is the manuscript technically sound, and do the data support the conclusions? Reviewer #1: No Reviewer #2: Partly ********** 2. Has the statistical analysis been performed appropriately and rigorously? -->?> Reviewer #1: Yes Reviewer #2: I Don't Know ********** 3. Have the authors made all data underlying the findings in their manuscript fully available??> The PLOS Data policy Reviewer #1: Yes Reviewer #2: No ********** 4. Is the manuscript presented in an intelligible fashion and written in standard English??> Reviewer #1: No Reviewer #2: Yes ********** Reviewer #1: the manuscript provides new intresting date on an important site however I recomand that more effort will be invested it the way the authors choose to present it, especially the part of the methodology which needs better arrangement and reconsideration. the part on the traceology is marginal and the conclusions rely more on the morphology of the arrows and comparisons to other sites. I listed some remarks and recommandations in the file attached. there are many technical problems (I listed only a few) in figures and text. Reviewer #2: Review for the manuscript PONE-D-25-02378 Arrow heads at Obi-Rakhmat (Uzbekistan) 80 ka ago Summary The manuscript under review aims at documenting a behavior unreported yet at the site of Obi-Rakhmat, Uzbekistan. The authors present this work as a preliminary study focusing on small size convergent blanks described here as Levallois micro-points. A preliminary use-wear study combined identified fractures consistent with impacts, and the small size of some of the blanks, techno-typological consideration and examples from the literature lead the author to speculate on micro-points used as arrowheads, maybe a bow or a bow gun. Furthermore, it is suggested that this behavior is most often associated with AMH and their lineage – which in turns could inform on the taxomic identity of the OBR inhabitants, or the diffusion of ‘pioneer’ Homo sapiens groups. The authors bring great background info in the introduction, and interesting observations on the breakage patterns of some of the objects. I do not think they demonstrate (yet) a use of mechanically assisted projectile, let alone connections with specific human taxa. They do provide, however, ground for a working hypothesis to be tested in ways that are more extensive. I would suggest to add an question mark in the title. Although this study offers many interesting facts and ideas, I suggest that revision is needed to add some missing data essential for understanding the logic of the argument, and to tune down some of the conclusions. In full disclosure, I am not qualified for evaluating fully use-wear analyses. General comments There is no doubt that the last three decades of techno-typological studies on lithic assemblages (and to a smaller extent, on other materials) show a strong interest for small size lithic blanks and tools. From the small flakes/tools in the Lower Paleolithic, to the UP bladelets, micro-Mousterian, asinipodian, and pontinian in Europe, nano-points and segments in Africa, and so on…words such as ‘miniaturization’, or ‘microlithization’ became popular or were re-branded to discuss implications of what seems to be a general evolutionary trend, accelerating during/after the MP-UP transition. One of the point of contention is that productions and uses of small objects go way back before the ‘transition’, and second, that examples vary in shape, size, frequencies, degree of standardization, and most probably, …in function. At least, that is what mere logic would indicate since there is little we know about their function. Specific comments - Criteria of identification: it is a clear and helpful section of the paper. However, some of the statements seem to undermine the conclusion reached. For example, p.5, line 110 (and thereafter) insist on the need for standardization. The latter is a relative notion, and in spite of the small number of objects, it would be good to provide coefficient of variation for the set, and compare it with pointed objects not consider as projectiles – to document the standardization. At first glance, these objects are poorly standardized if not isolated from larger convergent blanks, and their small size may provide a false impression of standardization following power laws. In short, document the connection between the idea of standardization and the material studied. - The micro-points sample: the material studied here belongs to the layers 20 and 21. A selection process is briefly described, I suppose using the criteria listed for the identification of weapons described by the authors. The table provided is a technological inventory for the layer (and sub-layers) and it is helpful. However, an additional table describing the protocol of analysis should be provided in the Material and Method section is essential for critical assessments by the reader. It should present an exhaustive list (actual numbers and frequencies relative to the sample, and relative to the assemblage) of the material studied and discarded besides the material selected. Numbers occur in the description of the sample (48 weapon heads, 5% of the sample) but it is essential to add more in text reference to the sample size is needed for the reader to follow the description every time a sample is mentioned (e.g. massive points are e few (N=xxx; %=xxx)). The authors note that the sample is small but that given the surface; it may be not so small. This issue is complicated for various reasons but should not be evacuated too fast. It is indeed very small if one consider their frequencies over the total assemblage, and there should be more discussion regarding their frequencies within the ‘point’ category. Do frequencies support the idea that small points are a specific response to an actual need (eg. selective pressure)? Or is it consistent with stochastic variations within such assemblage? Consistent with both? This is hard to assess because the paper in its current form does not present this data in a clear fashion. The issue of density seems irrelevant here (it could result of structuration of space, or time-averaging) and the sample size should be scaled toward the claims that are made (including the ‘priors’, or how exceptional the behavior is, and the ’posteriors’, the significance of the finds for the field of research as a whole). The larger the claim, the larger the sample needed to support it. My suggestion is to tune down the discussion, especially the parts regarding strict associations with H. sapiens and implications for hominin dispersals. If it is a preliminary study and the sample size is small, it is premature to draw large conclusions. - Micro-point technology: It seems essential to assess whether the idea of ‘micro-points’ as a response to specific needs is the most parsimonious (as stated in the paper), or not. To do so, one needs to invalidate alternative hypotheses (or at least show that there aren’t too many…). The natural expectation would be that specific needs, standardized objects, would come with specific production schemes, while opportunistic ones could rely on more casual recycling processes. Some additional data should be provided for the readers to make an opinion. For example, text and figures seems to indicate that a specific core morphology corresponding to this production cannot be isolated. Instead, different cores are illustrated as potential candidates for their production, based on some of the removal negatives highlighted (are they complete negatives? How was it determined?). This makes sense, since core types alone, at discard, are not always indicative of a single reduction method. If so, then how is the angle the striking platform/flaking surface angle of cores, at the stage of discard, comparable to blanks obtained during the reduction? How can truncated facetted be considered as occasional cores, given the dynamic of the reduction process? In addition, the authors should clarify that they are using Levallois as a type, not as a technology, given that some of the Levallois blanks are obtained using non-Levallois methods. Also, illustrations suggest that some of these removals may play a technical management role on the bladelet core flaking surface, potentially having a technological and/or another functional role in the overall technical system. However, how the technological analyses (listed as ‘attribute’, but which one?) reconstructed those schema is not explained in the paper. It is noted that attributes were recorded on points and cores, but what about technical pieces involved in their production? How do this material stand out/blend in with the rest of the assemblage? The idea here is to identify whether there is a recycling of objects that are ‘by-product’, or are imbedded, in other productions. One thing that seems very important here is to rule out the possibility that (some) of these convergent elements are not predetermining flakes coming from the production of predetermined larger Levallois blanks (e.g; to shape the basal triangle of larger elements). - Statistics: I am a little confused regarding the U pair-wise comparison test proposed here. The figure does not have caption (sorry if I could not find it) and I do not understand what is presented here, and what it shows technologically. What is the null-hypothesis? What are the data input? What are the assumptions/requirements for this test? Why a ranking method? What is the boxplot illustrating? Without these explanations, it is not possible to understand the meaning of it and I suggest adding it in the main text. - Impact fracture/use wear: I am not qualified for a detailed evaluation of the methods and results obtained here, but I note a few points that caught my attention. I note that an experimental effort has been performed to address other plausible cause of damage such has knapping accident (step fractures?). I assume that other functions have been considered too? It would be very important for the reader to present the detailed protocols of such experimentation, as far as can be. As the authors note, there is a broad range of opinions in the literature regarding what discriminate projectiles fractures from other uses and for non-specialists, it is quite confusing. Criteria listed mentioned that some morphologies could fit dart and spears, but could they fit other use? Small size prevent a hafting with binding, does this means that they were hafted anyway? In other studies, some authors have relied on a single method (TCSA/TCSP) or piled up all methods to see what comes out, at best reaching the conclusion that some fractures are consistent with projectile impact damage. Are they consistent with other damage causes? Mandrin is a study for which authors are surprisingly much more affirmative regarding the use of not only projectiles, but also on the kind of mechanically assisted type of projectiles used (bow and arrows). It seems to me, at best, controversial. I am not thinking of ideas like ‘small points are made by small people’ as more parsimonious, but more like damage, other uses than projectiles, or other kind of projectiles as being solid alternative hypotheses that have not been convincingly invalidated. Hence, it does necessarily support the current study, unless their results are taken for granted (which they are not necessarily for all specialists). It even makes the argument looks a bit circular. Wouldn’it be safer to suggest this as a hypothesis to be properly tested? If yes, I advise to reframe part of the text to make it clear that this is merely a possibility until a more extensive test is performed. - Discussion: Although there is a very useful summary of the literature provided, the scope is very large. Hence, one cannot help thinking that based on preliminary analyses on a small sample size; it is a little premature to discuss hominins biological and cultural phylogeny. I guess there should be a way to present this more as a ground for future research, or shift part of the discussion in the introduction to raise awareness or interest on the question. In my personal experience, such small triangular blanks exist in many, many assemblages but haven’t been the subject of many studies yet. Hence, at this point, the exclusive connection with a lineage/species is based on the absence of published evidence. The positive side of this situation is that this is encouraging for future studies, before an actual pattern can be identified. Likewise, the discussion on the IUP lacks references and seems out of place. The material presented here is much older, and there is no apparent connection with the relevant assemblages. I would not advise to extend the discussion but instead, to shorten it. It seems normal to mention it among other time transgressive examples, but it is unnecessary to devote a whole section to it (why not on actual UP, since bladelets predominates?). I suggest avoiding hyperbolic conclusions; reduce some paragraphs that are misleading and reframe the discussion around the potential for further studies. Smaller comments: - Throughout the text: Linnean binomial taxonomy should be italicized, genus names takes capital letter, species names take lower key: Homo sapiens ********** what does this mean? ). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy Reviewer #1: No Reviewer #2: No ********** [NOTE: If reviewer comments were submitted as an attachment file, they will be attached to this email and accessible via the submission site. Please log into your account, locate the manuscript record, and check for the action link "View Attachments". 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| Revision 1 |
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Arrow heads at Obi-Rakhmat (Uzbekistan) 80 ka ago? PONE-D-25-02378R1 Dear Dr. Plisson, We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements. Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication. An invoice will be generated when your article is formally accepted. Please note, if your institution has a publishing partnership with PLOS and your article meets the relevant criteria, all or part of your publication costs will be covered. Please make sure your user information is up-to-date by logging into Editorial Manager at Editorial Manager® and clicking the ‘Update My Information' link at the top of the page. If you have any questions relating to publication charges, please contact our Author Billing department directly at authorbilling@plos.org. If your institution or institutions have a press office, please notify them about your upcoming paper to help maximize its impact. If they’ll be preparing press materials, please inform our press team as soon as possible -- no later than 48 hours after receiving the formal acceptance. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. Kind regards, Marco Peresani Academic Editor PLOS ONE Additional Editor Comments (optional): Reviewers' comments: |
| Formally Accepted |
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