Paleoecology of Upper Harkless archaeocythan reefs in Esmeralda County, Nevada
Bibliographic record
Abstract
Four previously unstudied reef localities occur in the upper Lower Cambrian (Bonnia-Olenellus Zone) in the Upper Harkless Formation in Esmeralda County, Nevada. These patch reefs were constructed on a shallow, carbonate platform in the subtidal zone by a consortium of archaeocyaths and calcimicrobes (Renalcis). A high diversity of dwelling organisms is found in varying quantities within and surrounding the reefs. Comparisons to the same age reefs in the Forteau Formation in Labrador, Canada preliminarily correlate these two localities. A comparison between modern sponges in Belize and archaeocyaths reveal similarities; Four phases of diagenesis occur showing synsedimentary, mixing zone, shallow and deep burial cementation. Stratigraphic analyses reveal a shallowing upward sequence from packstone, which encases the reefs, to calcareous sandstone. Data indicates that the shoreline prograded across the carbonate platform. This progradation is theorized to be a result of (1) climate change, (2) a prolonged standstill, or (3) sea level lowering.
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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 | 0.001 | 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 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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".