Magnetic insights into basement geology in the area of McArthur River uranium deposit, Athabasca Basin, Saskatchewan
Bibliographic record
Abstract
Calibration of magnetic features with gneissic basement units northeast of the Athabasca Basin, combined with extrapolation of geological-magnetic trends and drillhole information, is used to predict basement composition and structure beneath the basin in the McArthur River area, principally for a related gravity study. Magnetic lows are associated with pelitic-psammopelitic gneiss and lesser quartzite, intermediate levels with psammitic gneiss, and highs with granitoid units. Northeast-trending faults and contacts are interpreted mainly along steep magnetic gradients. Northwest-trending faults are inferred from narrow magnetic lows, and offsets or terminations of northeast-trending features. McArthur River uranium deposits lack characteristic magnetic signatures, although the P2 Main deposit lies along the southern margin of a moderate magnetic high. Uranium potential north to northeast of McArthur River is inferred to be greatest within magnetic lows of the Mudjatik Domain. These lows probably outline pelitic-psammopelitic paragneiss that locally contains graphitic conductors, which are prospective for unconformity-related uranium deposits.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.002 |
| Science and technology studies | 0.001 | 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) | 0.002 | 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 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".