Bedrock geology of the Ellice Hills map area and new constraints on the regional geology of the Committee Bay area, Nunavut
Bibliographic record
Abstract
The Ellice Hills map area (NTS 56 P), southwest of Committee Bay, contains two belts of Archean supracrustal rocks intruded by younger, diverse plutonic rocks. The Ellice Hills supracrustal strand is a west-northwest-facing belt of interbedded psammite, semipelite, silicate iron-formation, komatiite, and basalt. To the south, the Committee Bay supracrustal belt contains komatiite, semipelite, psammite, and iron-formation, overlain by quartzite, rare intermediate volcanic rocks, and interbedded psammite and semipelite. Ultramafic sills intrude the supracrustal rocks. Folded with the Archean supracrustal rocks is a small outlier of younger meta-arkose and calc-arenite. A regionally extensive, northeast-striking, 2610 Ma intrusive complex of K-feldspar-magnetite granodiorite and monzogranite intrudes supracrustal rocks in the south. To the north, the supracrustal belts are cut by tonalite, granodiorite, monzogranite, and diorite plutons that are likely part of a widespread, 2610-2580 Ma plutonic suite. The northern part of the Ellice Hills area is intruded by a large biotite-muscovite monzogranite pluton.
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How this classification was reachedexpand
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) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.002 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.008 | 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 teacher head, 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".