Overview of the GEM Multiple Metals - Melville Peninsula project, central Melville Peninsula, Nunavut
Bibliographic record
Abstract
Recent work in the Melville Peninsula area of the Rae Craton provides new constraints on the lithotectonic framework of Archean supracrustal rocks and associated Archean intrusions, as well as Paleoproterozoic cover sequences. The region is subdivided into four lithologically distinctive crustal blocks that include from north to south: the Northern Granulite Block; the Prince Albert Block; on which lies the Penrhyn Group; and the Repulse Bay Block. The Prince Albert belt is redefined as a ca. 3.20 Ga to 2.77 Ga greenstone belt, much older than the Committee Bay belt to which it was historically linked and collectively named the Prince Albert Group. On the eastern side of the Peninsula, the Roche Bay greenstone belt appears to be linked - at least in age - to the Prince Albert belt. Penetrative Paleoproterozoic deformation can be confidently documented northwesterly to the Roche Bay greenstone belt. Beyond this, it is less well defined although the Folster Lake Formation suggests moderate deformation under upper-greenschist metamorphic conditions.
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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 | 0.001 | 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 | 0.002 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.013 | 0.002 |
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".