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Record W3153202729 · doi:10.1111/maps.13650

Morphologic mapping and interpretation of ejecta deposits from Tsiolkovskiy crater

2021· article· en· W3153202729 on OpenAlex
Z. R. Morse, G. R. Osinski, L. L. Tornabene, C. D. Neish

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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueMeteoritics and Planetary Science · 2021
Typearticle
Languageen
FieldPhysics and Astronomy
TopicPlanetary Science and Exploration
Canadian institutionsWestern University
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsEjectaImpact craterGeologyOrbiterAstrobiologyGeochemistryElevation (ballistics)Impact structurePetrologyGeomorphologyGeometryAstronomy

Abstract

fetched live from OpenAlex

Abstract High‐resolution images and elevation data sets from the Lunar Reconnaissance Orbiter along with spectral data from the Clementine mission are used to identify and map in detail the well‐preserved Late Imbrian Tsiolkovskiy crater situated on the far side of the Moon. This study identifies five distinct morphologic units associated with Tsiolkovskiy crater and the surrounding ejecta blanket. Analysis of the spatial and stratigraphic relationships of each of the ejecta units shows an asymmetrical distribution of the overall ejecta blanket, as well as a consistent overprinting of ballistic ejecta by ponds and flows of impact melt‐bearing material. This study shows that the asymmetric distribution of the ejecta blanket, including a distinct up‐range “forbidden zone,” is related to the impact direction and angle for the impactor that formed Tsiolkovskiy crater. The consistent presence of melt‐bearing ponds and flows overlying the ballistic ejecta deposits indicates that two separate ejecta emplacement events occurred. We interpret this as an initial phase of ballistic ejecta emplacement during the excavation stage, followed by a second phase of melt‐bearing ejecta emplacement. The second phase begins during the end of the excavation stage and continues throughout and beyond the modification stage of crater formation.

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)0.000
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 score0.283
Threshold uncertainty score0.285

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 head0.012
GPT teacher head0.210
Teacher spread0.198 · 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