Archaeological and environmental cave records in the Gobi-Altai Mountains, Mongolia
Bibliographic record
Abstract
Though hundreds of caves are known across Mongolia, few have been subject to systematic, interdisciplinary archaeological surveys and excavations to understand Late Pleistocene and Holocene environments. Previous cave excavations in Mongolia have demonstrated their potential for preservation of archaeological and biological material, including Palaeolithic assemblages and Holocene archaeology, particularly burials, with associated organic finds. In other cases, cave surveys found that stratigraphic deposits and archaeological materials are absent. The large number of caves makes the Mongolian Altai Mountain Range a potentially attractive region for human occupation in the Pleistocene and Holocene. Here we present the results of an interdisciplinary survey of caves in four carbonate areas across the Gobi-Altai Mountains. We report 24 new caves, some of which contain archaeological material recovered through survey and test excavations. Most caves presented limited sedimentation, and some were likely too small for human habitation. Six caves showed evidence of palaeontological remains, mostly from likely late Holocene and recent periods. The most notable anthropogenic findings included petroglyphs at Gazar Agui 1 & 13. Gazar Agui 1 also contained lithics and a bronze fragment. Tsakhiryn Agui 1 contained 31 wooden fragments that include an unused fire drilling tool kit and items commonly found in association with medieval burials. We observed that the caves remain in contemporary use for religious and economic purposes, such as the construction of shrines, mining and animal corralling. Water samples from the caves, and nearby rivers, lakes, and springs were analysed for their isotopic compositions (δ18O, δD, δ17O, 17Oexcess, d-excess) and the data, combined with backward trajectory modelling revealed that the Gobi-Altai region receives moisture mainly from western sources. These results form a baseline for future archaeological, paleoclimate and palaeoecological studies about regional seasonality and land use.
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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) | 0.001 | 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".