Paleogeographic and tectonic evolution of an Albian-Cenomanian foredeep succession, northeastern British Columbia
Bibliographic record
Abstract
In the foredeep of NE British Columbia, Upper Albian to Lower Cenomanian strata, comprising the lithostratigraphic Hasler, Goodrich and Cruiser formations (Wickenden and Shaw, 1943; Stott, 1968), show lateral and vertical facies variability, indicative of a complex and rapidly-changing paleogeography. Broadly, sandstone-rich nearshore facies in the far west grade laterally eastward into siltstone, and ultimately claystone facies over several hundred km. The siltand clay-rich facies comprise the lithostratigraphic Shaftesbury and Westgate formations of the Alberta Plains. The interfingering of tongues of nearshore sandstone with offshore mudstone indicate progradation of deltaic lobes under the influence of repeated relative sea-level changes, at least some of which can, on geometric grounds, be attributed to eustatic change. A new allostratigraphic scheme has allowed the rocks of the BC foredeep to be correlated and subdivided in terms of the allostratigraphic scheme developed by Roca et al. (2008) in Alberta.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 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".