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Record W4378230861 · doi:10.3997/2214-4609.202310787

Detailed sequence stratigraphy and Gross Depositional Environment mapping of the offshore Nova Scotia Margin

2023· article· en· W4378230861 on OpenAlexaffabout
P. Jermannaud, Laurent Gindre‐Chanu, Mark E. Deptuck, K.L. Kendell, D. Fraser Keppie, L. Cuilhé, S. Doublet

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicGeological formations and processes
Canadian institutionsNova Scotia Department of Energy
Fundersnot available
KeywordsSedimentary depositional environmentGeologyPaleontologyStratigraphyProspectivity mappingStructural basinSequence stratigraphySubmarine pipelineCretaceousHydrocarbon explorationTectonicsPassive marginOceanographyRift

Abstract

fetched live from OpenAlex

Summary The subsurface geology of the Scotian Basin has been extensively studied during the past decades owing to the sustained exploration efforts of the oil and gas industry. Geomorphological elements of deep-water sands were intimately analysed in the Cretaceous section of the margin, revealing the existence of turbiditic systems periodically influenced by contouritic currents. One of the major challenges now is to bring together all the depositional features documented in wells and on seismic data to deliver detailed regional-scale maps of Gross Depositional Environments, from the shelf, down to the deep sea basin. The objectives of this work are (1) to determine the stratigraphical and geometrical architecture of the Nova Scotian margin with respect to conventional sequence stratigraphy concept, (2) to display the paleogeographical evolution of the shelf-to basin depositional system from Upper Jurassic to Eocene, and (3) to highlight the prevailing stratigraphic controlling factors (tectonic, eustasy, sedimentation supply) recorded by these highly complex depositional systems through time. Such tectonostratigraphic and environmental understanding is also crucial in terms of hydrocarbon prospectivity since forced regressive deltaic wedges and associated turbiditic systems are key play reservoir elements and primary reservoir targets.

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 score0.388
Threshold uncertainty score0.780

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 studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.032
GPT teacher head0.210
Teacher spread0.178 · 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

Citations0
Published2023
Admission routes2
Has abstractyes

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