The Lower Devonian Compton Formation in southern Quebec: from delta front to pro-delta sedimentation
Bibliographic record
Abstract
The Lower Devonian Compton Formation is the uppermost unit of the St. Francis Group in the Connecticut Valley Gaspé synclinorium of southern Quebec. The Compton Formation is composed of three informal members. Five distinct sedimentary facies have been recognized in the lower two members of the Compton Formation. High-energy, shallow-marine, and channel sands dominate the Milan member. The overlying Lac Drolet member consists of below wave base mud and silt deposits with abundant turbidite sand. The Milan member is interpreted to represent deposits of a river-dominated delta-front environment, whereas the Lac Drolet member is suggestive of below storm-wave base pro-delta deposits. The transition from the Milan member to the Lac Drolet member is correlated with the deepening event recognized in coeval succession in the Gaspé Peninsula and known as the T2 event. There, the coeval Indian Point Formation is interpreted to represent pro-delta sediments. The new paleogeographic map for the Lochkovian illustrates the development of deltaic lobes from northern Gaspé to southern Quebec. In Lochkovian, deltaic regimes were established in southern Quebec and northeastern Gaspé, whereas the intervening successions (western Gaspé Peninsula New Brunswick) experienced significant synsedimentary tectonic collapse.
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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) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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".