Canadian Tectonics Group workshop field guide 2023. Mylonites, mylonites and mylonites: the Saint-François-de-Sales Shear Zone, Grenville Province.
Bibliographic record
Abstract
The 2023 CTG Fall workshop will be held in the Grenville Province, a Mesoproterozoic to early Neoproterozoic orogenic belt that covers an extensive area north of the St. Lawrence River from Lake Ontario to Labrador. The Grenville Province is mostly composed of amphibolite to granulite facies metamorphic rocks and provides a window into the structural styles of deformation at various levels in the continental crust. The field trip will take place around Lac Bouchette, south of Lac St. Jean, an area that has been mapped by the Ministère des Ressources naturelles et des Forêts du Québec in 2018 (Moukhsil and Daoudene, 2019a). The area exposes 1520-990 Ma orthogneiss, metasedimentary units and intrusive magmatic suites. Several phases of deformation affected the area, ranging from mid-crustal folding and shearing to upper-crustal brittle faulting. The field trip will provide an overview of the local geology, with a strong focus on the Saint-François-de-Sales Shear Zone (Moukhsil and Daoudene, 2019b), a prominent structure that marks a transition from exhumation to strike-slip and/or thrust tectonics at the end of the Ottawan phase of the Grenvillian orogeny. The group will convene at Auberge Eva, in Lac Bouchette, on the evening of Friday October 20. The field trip will run on Saturday and Sunday October 21-22. Posters will be presented on Saturday evening.
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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 | 0.002 | 0.003 |
| Meta-epidemiology (narrow) | 0.002 | 0.002 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.007 | 0.009 |
| Science and technology studies | 0.004 | 0.001 |
| Scholarly communication | 0.003 | 0.002 |
| Open science | 0.003 | 0.002 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.134 | 0.038 |
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".