Bibliographic record
Abstract
Claims persist in the literature alleging multiple pre-Sangamonian Pleistocene, mid-Wisconsinan, middle and late Holocene marine highstands on the northeast Gulf coastal plain. These views, still encountered even in official publications are rooted in the assumed similarity between Atlantic and northeast Gulf coastal history. A critical re-examination of the evidence is based on detailed sedimentary, microfossil, and geomorphic data from hundreds of drillholes and field sampling. Sediment data were matched with basic diagnostic criteria of depositional facies. Deposits and landforms that developed during the peak of Sangamonian transgression yielded the only evidence for higher-than-present Quaternary sea levels on the northeast Gulf. Pre-Sangamonian marine units are absent in the subsurface and not exposed in coastal plain surfaces. Post-Pliocene uplift and erosion had removed littoral and nearshore units from the northeast coastal plain. Upland ridges, mistaken for relict barriers, are elongated, high interfluves. Composed of alluvial deposits, they are bounded by semiparallel lineaments of apparently tectonic origin and incised by stream erosion. Combined with lineaments, rare covered karst depressions on a late Pleistocene alluvial plain provide the slight relief of subdued linear features that had been mistaken for relict barrier islands, associated with multiple Pleistocene highstands. Claims for wide Holocene sea level oscillations and record highstands rest on the belief, unsupported by reliable sediment data, that the upper ridge lithosomes were essentially wave-built, intertidal and directly correlatable with sea level positions. However, the ridge morphology and dimensions clearly indicate the foredune origins of discussed Florida Gulf shore strandplain ridges. Cited texture parameters and sedimentary structure types also fail to lend independent diagnostic support to the intertidal origins of the highest beach ridge intervals. Wave-cut scarps and associated supratidal narrow terraces yield no independent proof for the postulated high eustatic Holocene sea levels.
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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) | 1.000 | 1.000 |
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; both teacher heads agree on what is shown here.
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".