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Record W2938437605

Le terrane de Renzy (Province de Grenville, Québec), vestige d'un système d'arc/bassin arrière arc actif à la marge de Laurentia au Protérozoïque

2009· article· fr· W2938437605 on OpenAlexaboutno aff
Jean-François Montreuil

Bibliographic record

VenueCorpus Université Laval (Université Laval) · 2009
Typearticle
Languagefr
FieldEarth and Planetary Sciences
TopicPaleontology and Stratigraphy of Fossils
Canadian institutionsnot available
Fundersnot available
KeywordsLaurentiaGeologyArc (geometry)HumanitiesPhilosophyGeochemistry
DOInot available

Abstract

fetched live from OpenAlex

Cette étude présente de nouveaux résultats de pétrographie et de géochimie sur les lithologies du terrane de Renzy afin d'en retracer le contexte paléogéodynamique de formation. L'accent est mis sur les caractéristiques pétrographiques et géochimiques des unités d'amphibolite et de l'ensemble métasédiments/métavolcanites hôte appuyées par les résultats intégrés de trois campagnes de terrain et de données géophysiques régionales. Les signatures géochimiques sur l'ensemble des lithologies du terrane de Renzy sont diversifiées et compatibles avec un environnement d'arc océanique/bassin d'arrière-arc. Le terrane de Renzy est interprété comme représentant les vestiges d'un système d'arc océanique/bassin arrière-arc formé autour de 1.5 Ga, hypothèse appuyée par l'affinité du terrane de Renzy avec des environnements similaires modernes tel que l'arc de Scotia dans l'Atlantique sud et ceux connus dans la Province de Grenville tels que le Complexe de Bondy (1.4 Ga) ou le Domaine de Shawanaga (1.45 à 1.33 Ga).

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.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.028
Threshold uncertainty score0.069

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0020.001
Scholarly communication0.0010.000
Open science0.0010.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0040.000

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 head0.007
GPT teacher head0.174
Teacher spread0.166 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

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".

Quick stats

Citations1
Published2009
Admission routes1
Has abstractyes

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