Technology and taphonomy of the Middle Paleolithic assemblage from the Uzun Mera site in Macedonia
Bibliographic record
Abstract
The open-air site of Uzun Mera in eastern North Macedonia provides new insights into Middle Paleolithic Neanderthal behavior and site formation processes in the understudied Balkan Peninsula. Discovered in 2017, the site spans over 1.5 km² and contains lithic artefacts affected by both cultural and post-depositional processes. Technological analysis of 33 selected artefacts reveals a Middle Paleolithic industry featuring opportunistic, Levallois, and Discoid knapping methods, primarily using locally available jasper and flint. Taphonomic investigation identified two distinct alteration phases: mechanical modifications (edge crumbling, polishing, rounding) from trampling and fluvial transport, followed by chemical patination during burial in alluvial sediments. The post-depositional alteration sequence on the artefacts tells a story of a complex and dynamic past, during which geological processes impacted the primary location of the site and displaced the lithic artefacts to their current location in the alluvial plain. This study enhances understanding of Central Balkan Paleolithic human-environment interactions while highlighting the challenges of interpreting open-air sites with complex formation histories.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".