Bibliographic record
Abstract
Ferruginous bromalites (coprolites and cololites) occur in enormous quantities in the Upper Cretaceous Whitemud Formation of Saskatchewan, Canada, and in Miocene deposits in Madagascar and southwest Washington, USA. The origins of these specimens have been the subject of diverse and often conflicting interpretations. This paper includes some discussion of other localities, but the main focus is on specimens from Wilkes Formation at Salmon Creek, Lewis County, Washington State, USA. This locality is notable because the geologic setting and paleoenvironment are well-established, and the purported bromalites can be observed in situ, providing stratigraphic and taphonomic information that is not available for the Canada and Madagascar locations. Past research at Salmon Creek has a curious history. Supporters of the coprolite interpretation have relied on Salmon Creek specimens collected by others. In contrast, field-based investigators have concluded that the extruded objects are probably pseudofossils. Was the origin of these objects biotic excretion or abiotic extrusion? Past evidence is not sufficient for resolving this issue. New information strengthens the abiotic interpretation, but these ferruginous specimens remain as a geologic enigma.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 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) | 0.000 | 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".