Moho Depth Variations in North West Iran estimated from the Moho reflected phases
Bibliographic record
Abstract
Abstract In this study, we picked Moho reflected phases and used them to estimate the spatial variation of the Moho depth in northwestern Iran. Moho reflected phases are secondary phases which can be observed at the distance range between 60 and 200 km. We used earthquakes with depth shallower than 40 km that occurred from 1996 to 2017 and collected the approximate travel-time of 200 PmP and 150 SmS high quality phases recorded by 15 seismic stations. We used the differential travel-time of direct and Moho reflected phases to estimate the depth of Moho. The results of the reflected phases PmP and SmS are very similar in character. Although differences are also observed, especially in the northern part of the studied area where piercing points are not well distributed. The results of the inversion of P data are more reliable owing to the accuracy of the picking of P- compared to S- phases. According to the results, the depth of Moho is in order of 45 km in the south part of NorthTabriz Fault and shallower towards eastern part of the study area beneath the Talesh Mountains, 43.2 km. Moho increases from the north Tabriz fault to south of the study area and becomes approximately 45 km.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| 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 source (direct Gemma or distilled Codex), 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".