Geology of Hans Island and adjacent parts of Kennedy Channel, northwest Greenland (Kalaallit Nunaat) and northern Nunavut (Canada)
Bibliographic record
Abstract
Hans Island lies in the middle of Kennedy Channel, a segment of Nares Strait which is the submarine valley that lies between eastern Ellesmere Island in northernmost Nunavut and coastal northwest Greenland. This island is the exposed part of a glacially-sculptured and, mostly, submerged bedrock hill that rises to a height of 168 m above sea level from channel sea floor that locally exceeds 400m depth. Other partly or entirely submerged bedrock hills are located elsewhere in Kennedy Channel. The largest and closest of these is associated with Franklin Ø which is located 20 km southwest of Hans Island. Bedrock of Hans Island is unmetamorphosed fossiliferous limestone, laid down in warm shallow seas during mid-Silurian time, about 430 million years ago. These are stratified rocks, about 195 m thick, best exposed in cliffs along the south coast but also on the tilted upland surface of the island. The island is ice-scoured and draped in a discontinuous till veneer comprised of locallyderived limestone gravel and some gneiss and granitoid material, almost certainly derived from a former north northeasterly-flowing valley glacier originating in Greenland. Marine geophysical profiles from the Hans Island region indicate that much of central Kennedy Channel is underlain by gently north-west dipping bedrock strata, not unlike that exposed on western Washington Land in northwest Greenland. The thickness of undeformed strata, down to the base of the Lower Cambrian, probably exceeds 3000 m. In contrast, northeastern Ellesmere Island is a Cenozoic mountain belt featuring giant mapscale folds in deformed Neoproterozoic to Devonian and Paleogene strata and a Paleogene array of sinistral strike slip and reverse faults. Commodities that might be considered for exploration purposes in the Hans Island and central Kennedy Channel region include sediment-hosted zinc, lead, copper and hydrocarbons. However, the potential for a commercial resource is not considered significant.
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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) | 0.001 | 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) | 0.001 | 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".