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Record W2318771047 · doi:10.5026/jgeography.114.2_223

Pseudotachylyte and Chondrule as a Reliable Recorder of Ancient Magnetic Field

2005· article· en· W2318771047 on OpenAlexaboutno aff
Norihiro Nakamura, Minoru Uehara

Bibliographic record

VenueJournal of Geography (Chigaku Zasshi) · 2005
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicGeomagnetism and Paleomagnetism Studies
Canadian institutionsnot available
Fundersnot available
KeywordsRemanenceChondruleProtolithPaleomagnetismGeologyMagnetic fieldAstrobiologyRock magnetismFerromagnetismSilicateMaterials scienceMineralogyGeochemistryMeteoriteChondriteCondensed matter physicsGeophysicsMagnetizationChemistryPhysicsMetamorphic rock

Abstract

fetched live from OpenAlex

Pseudotachylytes and chondrules appear to be reliable materials for paleomagnetic study because of their melt-quenched regimes in terrestrial and extraterrestrial environments. However, they show different magnetic stabilities due to protolith variation, cooling history and an ambient chemical environment. Here, we present rock magnetic and microtextural examinations of Sudbury pseudotachylytes and artificial chondrules, suggesting that the presence of finegrained ferromagnetic crystals embedded within silicate crystals is responsible for the thermal and chemical stability of magnetic remanence information.

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 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)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation 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 score0.292
Threshold uncertainty score0.729

Codex and Gemma teacher scores by category

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

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 head0.004
GPT teacher head0.216
Teacher spread0.212 · 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 teacher head, 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

Citations2
Published2005
Admission routes1
Has abstractyes

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