Geology of the Mountain Grove pluton, Central Metasedimentary Belt, Grenville Province, Ontario
Bibliographic record
Abstract
The predominantly mafic Mountain Grove pluton, one of the youngest and most northwesterly members of the 1180-1150 Ma Frontenac plutonic suite, comprises two distinct intrusions. Both cut a previously folded succession of amphibolitic schist, siliceous schist, and marble. Coarse-grained norite and leuconorite characterize the northern unit, whereas hornblende gabbro and diorite with subordinate commingled monzonite and syenite characterize the southern, younger one. Commingled intrusions in the northern unit and its country rocks, and foliated biotite quartz syenite to the south, are probably both related to the southern unit. The northern unit likely formed from relatively uncontaminated magma, whereas the southern unit evolved from gabbro by magma mixing, incomplete where commingled. Copper-nickel-iron sulphide mineralization is associated with the northern unit, and sphalerite with marble enclaves in the southern unit. The Mountain Grove pluton is intruded by the Leggat Lake and McLean granite-syenite plutons to the east and southwest respectively.
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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 | 0.001 | 0.002 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
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".