The sedimentology, stratigraphy and reservoir characteristics of the Montney D1 and D2 horizons in the Greater Pouce Coupe area
Bibliographic record
Abstract
Abstract Deposited immediately following the Montney lowstand turbidites, the moderate porosity and low permeability siltstones of the Montney D1 and D2 horizons are important exploration targets. Eight lithofacies are identified, based on detailed sedimentological and ichnological observations. Deposition took place in the distal offshore to offshore-transition area. Linear sourced turbidity currents are thought to have been the most important mechanism for sediment deposition. An arid coastline, with numerous ephemeral river systems that transported large amounts of sediment to the coast during storms, created an over steepened shoreface profile which would have been prone to mass wasting events. The study area overlies the southeastern extension of the Fort St. John Graben complex, and structural reactivations throughout the deposition of the D1 and D2 horizons played a major role in controlling the location of major sediment accumulations. The D1-D2 transition is characterized by the presence of silty shale beds. The presence of appreciable amounts of clay in the Montney is rare except for a few areas. These areas are interpreted to have been deposited under the influence of perennial deltaic systems. During the D1-D2 transition, silty shale beds indicate that there was a perennial river system running through the Hines Creek Graben sourcing the clays.
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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 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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 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".