Stratigraphy of the Mount Clark, Mount Cap and Saline River formations in the Hornaday River canyon, Northwest Territories (NTS 97A)
Bibliographic record
Abstract
This report documents the stratigraphic succession of Lower and Middle Cambrian formations in Hornaday River canyon, northeastern mainland Northwest Territories. Essentially flat-lying strata of the Mount Clark, Mount Cap, and Saline River formations were documented in overlapping sections along the Hornaday River to form a complete composite section. Both the lower, unconformable contact with the Neoproterozoic Boot Inlet Formation and the upper, conformable contact with the Cambro-Ordovician Franklin Mountain Formation are exposed in these sections. The Mount Clark Formation (approximately 78 m thick) consists of cross-bedded, bioturbated quartz arenite with local layers of wacke and was deposited in a high to moderate energy environment, initially over a karsted surface with at least 1-2 m of paleotopography. The Mount Cap Formation (approximately 34 m thick) consists of bioturbated and cross-bedded dolostone interbedded with glauconitic sandstone, deposited in a lagoonal environment. A sharp and possibly unconformable contact separates the Mount Cap Formation from the overlying Saline River Formation. The Saline River Formation (approximately 40 m thick) consists of sandy dolostone, dolomudstone, and mudstone that were deposited in an evaporitic environment. It contains no biogenic structures, but abundant desiccation cracks and halite moulds. Its upper contact with dolostone of the Franklin Mountains Formation is gradational (by interbedding) over 5 - 10 cm.
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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 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| 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".