Sequence stratigraphy, hydrostratigraphy, and mineralizing fluid flow in the Proterozoic Manitou Falls Formation, eastern Athabasca Basin, Saskatchewan
Bibliographic record
Abstract
The Manitou Falls Formation, deposited during the early evolution of the eastern Athabasca Basin, is composed of flat-lying, unmetamorphosed sandstone and conglomerate that change stratigraphically upward from polymictic pebble conglomerate to medium-grained quartz arenite. This succession has been subdivided into lithofacies that are diachronous by nature. Variations in lithofacies and paleoenvironment are useful for lithostratigraphic correlation, but do not allow resolution of chronostratigraphic horizons. Drill cores along two transects were studied, thickness of fluvial fining-upward successions were recorded, and these were plotted stratigraphically. Thickness of fining-upward intervals is used as a proxy for accommodation. These show systematic changes from times of low accommodation marked by coarse-grained intervals followed by gradual shifts to greater accommodation and finer grained intervals. A hydrostratigraphic model for the eastern Athabasca Basin is presented based on integration of sedimentology, sequence stratigraphy, and diagenesis. The two basal sequences contain aquifers that onlap basement rock units eastward and focused burial brines.
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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 | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".