Seismic properties of eclogites:implications on crustal composition and exhumation mechanism of the Sulu ultrahigh-pressure metamorphic belt.
Bibliographic record
Abstract
Laboratory-derived P- and S-wave velocities for three types of eclogites are summarized. Combined with seismic properties of other lithologies, the results are helpful to interpret seismic data from the Dabie-Sulu orogenic belt. The interfaces between eclogites (high velocity and density) and almost all other lithologies such as felsic gneisses, marble, quartzite, amphibolite, mafic granulite, and serpentinized peridotite show large values of reflection coefficient ( 0. 1) and are thus able to produce strong seismic reflections. If crustal materials subducted and preserved in the lithospheric upper mantle as eclogites interlayered with felsic gneiss, garnet-jadeite quartzite, marble and serpentinized peridotite, they could be a good candidate for regional seismic reflections beneath orogenic belts, Based on a refraction profile in the Chinese Continental Scientific Drilling area, the crustal composition beneath the Sulu UHP belt is estimated to test different exhumation models of UHP rocks. Although eclogites are widely exposed in the surface and drill holes, they may not exit in the todays deep crust of the Sulu terrane, implying that these UHP rocks are tectonic slices that exhumed along a series of shear zones and finally thrust over an UHP-free middle-lower crust.
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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) | 0.000 | 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".