Regional seismic signature of the basement and crust beneath the McArthur River mine district, Athabasca Basin, Saskatchewan
Why this work is in the frame
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Bibliographic record
Abstract
Seismic-reflection profile results of the EXTECH IV project reveal exceptionally high-quality images from surface to Moho depth. First-break analysis defined the spatial velocity field, outlined geochemical alteration in the Athabasca Group, delineated much of the basal unconformity, and indicated the location of fault zones postdating the Athabasca Group. Variations in depth and changes in structural setting of the Athabasca Basin - basement unconformity are imaged seismically. Seismic-reflection images reveal structural configurations and stratigraphic properties of the P2 fault zone and the associated basement rocks to a depth of about 7000 m and along a lateral profile of 10 km. A bright band of reflectivity at about 8000 m depth, is attributed to 1270 Ma Mackenzie sills. Seismic-reflection signatures outline remnants of a major crustal reactivated shear zone with associated retrogrademetamorphism in themiddle to lower crustal depths. A relatively shallow (~35 km) Moho appears to be young, tectonically generated, and with well defined structural disturbances.
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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 | 0.001 | 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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 it