Volcanic fronts as a consequence of serpetinite dehydratation in the fore-arc mantle wedge.
Bibliographic record
Abstract
Serpentinites exhumed from mantle wedges are enriched in elements that are mobile at low temperatures, such as As, Sb, Pb, and Sr, based on samples from the Himalayas and the Alps. Such data provide compelling evidence that these fluid-soluble elements were incorporated into the overlying fore-arc mantle wedge from the subducting slab. Thus, serpentinites in the fore-arc mantle act as a sink for water and fluid-soluble elements, insulating the overlying mantle from further hydration.. Downward movement of the serpentinite layer, facilitated by mantle flow, causes transport of these elements to deeper, hotter levels in the mantle. Eventual dehydration of these serpentinites discharges the fluid-soluble elements with water, leading to partial melting of the mantle wedge and accounting for the observed enrichment of these elements in magmas at the volcanic front.
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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 | 0.003 | 0.001 |
| 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 | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".