A fission track transect across Nares Strait (Canada–Greenland): further evidence that the Wegener Fault is a myth
Bibliographic record
Abstract
Many workers continue to model Nares Strait between Greenland and Ellesmere Island, Canada, as a plate boundary and locus of major Cenozoic compression and strike-slip, marked by the postulated Wegener (transform) Fault. This, despite continuity of Precambrian–Paleozoic provinces across the seaway including an undeformed Neoproterozoic mafic dyke swarm that crosses at a high angle. As a test of the speculative plate kinematic modelling, apatite fission track (AFT) dating was undertaken along a transect across the Paleoproterozoic shield of Smith Sound, at the south end of Nares Strait, running from sea level to ca. 600 m elevation and as much as 70 km inland on both sides. The shield is overlain by three sedimentary basins separated by major hiatuses. The AFT ages fall into two groups: 282 ± 34 and 650 ± 51 Ma. They indicate maximum depth was >4 km in the lower Paleozoic from both coasts to 50 km inland, and at >50 km inland temperatures were below the annealing interval throughout Phanerozoic time. During the past ca. 280 million years, the rocks of both age groups suffered only minor displacements. The ages form an unbroken, harmonious pattern along the transect with no evidence of thermotectonism since the Permo-Carboniferous. These quantitative data support the field mapping that demonstrates Smith Sound and environs constitute an intact crustal block unaffected by lithospheric fracturing. Nares Strait is not the site of a plate boundary. The Wegener Fault does not exist.
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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 | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.005 | 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".