Geological and geochemical data from Mackenzie Corridor. Part V: New XRD data from Devonian cores and mineralogical characterization of mudrock units
Bibliographic record
Abstract
Mineralogical surveys are an important part of shale reservoir studies. New results, based on X-ray diffraction analyses (XRD), are reported here for 101 core samples from three wells, mostly from organic-rich mudrocks of the Horn River Group (HRG) in Mackenzie Plain area. The combined NTGS-GSC XRD database has sufficient resolution for robust mineralogical characterization of stratigraphic units. The Canol Formation has the highest quartz (82% median) and the lowest clay content (7% median). Clays in the HRG are dominated by illite. The Hare Indian and lower Canol formations are variably calcareous and dolomitic; the upper Canol is dolomitic but non-calcareous; basal Imperial shales are sideritic-dolomitic and non-calcareous. More accurate characterization can be achieved by resolving issues between GSC and NTGS correlation of stratigraphic units. New XRD data are also used to characterize the Hume-HRG contact (a drowning unconformity) in Kugaluk N-02 well of northern Anderson Plain.
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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 | 0.004 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.007 | 0.002 |
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".