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Record W2280880478 · doi:10.2312/polarforschung.68.247

Counterclockwise Rotation of the Arctic Alaska Plate: Best Available Model or Untenable Hypothesis for the Opening of the Amerasia Basin

2000· article· en· W2280880478 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

aboutThe title or abstract carries a Canadian signal from the geographic lexicon.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueHelmholtz-Zentrum für Polar-und Meeresforschung (Alfred-Wegener-Institut) · 2000
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicGeological Studies and Exploration
Canadian institutionsnot available
Fundersnot available
KeywordsRotation (mathematics)Structural basinClockwiseGeologyGeodesyPaleontologyMathematicsGeometry

Abstract

fetched live from OpenAlex

For the past thirty years the most widely aeeepted model for the opening of Amerasia Basin of the Aretie Oeean has been that the basin openecl by eountereloekwise rotation of northern Alaska and acljaeent Russia (Aretie Alaska plate) away frorn the Canadian Aretie Arehipelago about a pole in the Maekenzie Delta region.Reeently LANE (1997) has ealled this modcl into question.Thus it is worth reviewing the main data and arguments for and against the model to determine if indeed it is untenable as claimed by Lane, 01' is still the best available model.The main evidenee in favour of the modcl includes the alignment of diverse geologieal lineaments ancl the eoineiclenee of Alaskan, Valanginian paleomagnetie poles with the eratonie one following plate restoration employing the rotation model.The odds of such restored matches oeeurring by chance are astronornic and thus sueh data provide very eonvineing evidenee for the rotation hypothesis.Reeent gravity and acromagnetic data have allowed the interpretation of a former spreading centrc with flanking anornalies.The orienration of these features is compatiblc with the rotation hypothesis, thus adding further support to the model.A review of the various points raised by LANE (1997) against the rotation model reveals that sorne arguments are bascd on insuffieient and inconclusive data, others are unsupported interpretations and still others are based on a selecti ve marshalling of data.Overall it is assessed that none of Lanc's points argue convineingly against the rotation model anel that such a model is elearly the best available one for the opening of the Amerasia Basin.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesScience and technology studies, Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.215
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.001
Science and technology studies0.0020.001
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.000

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.

Opus teacher head0.039
GPT teacher head0.239
Teacher spread0.200 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it