Timing of ductile shear along the Wopmay fault zone
Bibliographic record
Abstract
The Wopmay fault zone (Wfz) is an approximately 300 km long, north-south striking, dextral transform fault zone located in the Northwest Territories, Canada between the western margin of the Slave craton and the eastern boundary of the Great Bear magmatic zone and Hottah terrane. As the loci of suturing between the Slave craton and Hottah terrane, the timing and kinematics of ductile deformation along the Wfz holds valuable information pertaining to the tectonic evolution of western Slave cratonic margin and the broader history of amalgamation of western Laurentia. In this thesis, I present new in-situ U-Pb apatite geochronology, apatite trace element chemistry and electron backscattered diffraction data collected from seven metaplutonic samples across the Wfz. Collectively, these data are interpreted as recording a near continuous history of dextral shear recrystallization in the Wfz that spanned 1890 ± 16 Ma to 1832 ± 14 Ma.
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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 | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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".