Biolaminated sedimentation in a High Arctic freshwater lake
Bibliographic record
Abstract
Abstract A laminated sequence of lacustrine sediment from an Arctic coastal lake was examined for potential chronological and successional information. The laminae are microbially induced sedimentary structures, the unlithified precursor of stromatolites and are previously unreported in the Arctic. The inferred annual sequence was interpreted to contain a basal clastic unit, overlain with successive cyanobacterial and extracellular polymeric substance units. The complex succession of laminae and inconclusive dating provide a challenge for identifying the chronological nature of the sedimentary structures. Markov chain and time series analyses suggest that a plausible, quasi‐annual sequence can be identified to provide a context for palaeo‐environmental reconstruction. Recognition of sedimentary structure in recent biolaminated sediments offers a first step towards the palaeo‐environmental evaluation of the geomicrobiological sequence.
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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 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.009 | 0.001 |
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; both teacher heads agree on what is shown here.
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".