Stratigraphy and structure of the Upper Arrow Lake area, southeastern British Columbia: new perspectives for the Columbia River Fault Zone
Bibliographic record
Abstract
The Columbia River Fault Zone in the southeastern Canadian Cordillera has been interpreted as a major Eocene crustal-scale detachment having tens of kilometres of east-side-down displacement. It is one of a family of extension faults mapped in the southeastern Cordillera and interpreted to have accommodated crustal extension during the early Tertiary (ca. 50-55 Ma). Recent field investigation has suggested that an Upper Paleozoic rock succession occurs as a semicontinuous belt from west of Vernon to east of the Columbia River Fault. This belt comprises a distinctive Devonian calcareous quartzite marker unit that can be traced across Upper Arrow Lake. Field relationships of the Columbia River Fault Zone suggest that proposed displacement on the fault is inconsistent with continuity of rock units from hanging-wall to footwall exposures. The geometry and significance of the Columbia River Fault Zone along Upper Arrow Lake may be overstated.
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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 | 0.003 | 0.004 |
| Science and technology studies | 0.003 | 0.001 |
| Scholarly communication | 0.002 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.005 | 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".