Northern Alaska–Kuskokwim Mountains, Domain 10
Bibliographic record
Abstract
The ultramafic rocks in this domain are in the western part of the Brooks Range, the interior Alaska lowlands of the Koyukuk–Yukon Basin, the interior Alaska highlands of the Tanana–Yukon Upland, and the Kuskokwim Mountains. This domain extends east to the Seventymile River, a tributary of the Yukon River that is near the Canadian border, and presumably to the Clinton Creek area in the Yukon Territory. Although the highest elevations in the Brook Range are near 2700 m, those in the western mountains of the range are mostly <1400 m. Flatlands, hills, and low mountains dominate the Koyukuk–Yukon Basin and Tanana–Yukon Uplands, Elevations in the Kuskokwim Mountains are mostly <1000 m. Some of the mountains in uplands of the Tanana–Yukon Uplands are higher than 1600 m. Although the Brooks Range was glaciated during the Pleistocene, there was no glaciation in the Koyukuk–Yukon Basin, and only the higher elevations in the Tanana-Yukon Upland were glaciated during the Quaternary. Today, permafrost prevails throughout the Brooks Range, but it is discontinuous in the Koyukuk–Yukon Basin and Tanana–Yukon Upland and in the Kuskokwim Mountains (Ferrians 1965). Loess is extensive in the basins of interior Alaska and at lower elevations in the Kuskokwim Mountains, with some deposits >60 m thick (Péwé 1975). The climate is very cold throughout the domain, with severe winters and relatively short summers, although mean maximum summer (July) temperatures are >20°C (up to 24°C or 25°C) in the interior basins. With latitudes from 61°N to 68°N, days are very long during summers and very short during winters. The mean annual precipitation is 15–45 cm, with the greatest precipitation during summers. Even though the precipitation is low, the climate is not arid because evapotranspiration is limited by short and relatively cool summers. The freeze-free period is on the order of 60–90 days. The northern and interior Alaska ultramafics (serpentine) consist of Paleozoic and Mesozoic thrust slices emplaced onto Precambrian and Paleozoic marine sediments. They all belong to well-defined belts and are related to low-angle thrust faults or to later high strike–slip faults.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.012 | 0.003 |
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 source (direct Gemma or distilled Codex), 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".