Nature and Origin of the Oceanic Lithosphere: Some Insights from Past Ocean Drilling and Plans for the Future
Bibliographic record
Abstract
The Deep Sea Drilling Project (DSDP) and Ocean Drilling Program (ODP) have fundamentally changed our understanding of the Earth system. Drilling in the south Atlantic Ocean provided the critical test of the theory of plate tectonics and initiated innovative programs to investigate the products, fluxes, and processes associated with the creation, evolution, and recycling of the oceanic lithosphere. Key findings include a new and evolving understanding of the range and complexity of processes of oceanic lithosphere creation, and their probable importance in global geochemical cycles and seawater composition over time. Major questions remain about details, rates, and significance of lithospheric processes and fluxes. The expanded capabilities of the Integrated Ocean Drilling Program (IODP, to begin in 2003), will offer many exciting opportunities, including a chance to assess the role of lithospheric creation in global geochemical and climatic cycles. Resume Le Deep Sea Drilling Project (DSDP) [projet de forages des fonds oceaniques profonds] et le Ocean Drilling Program (ODP) [programme de forages oceaniques] ont change fondamentalement notre comprehension du systeme terrestre. Le forage de l'ocean Atlantique sud a constitue le test determinant de la theorie de la tectonique des plaques, et a permis de lancer des programmes d'etude inedits des produits, flux et processus lies a la creation, l'evolution et le recyclage de la lithosphere oceanique. Parmi les retombees de premiere importance se trouve cette comprehension nouvelle et en pleine evolution quant a l'etendue et la complexite des processus de creation lithospherique oceanique et leur importance probable sur les cycles geochimiques planetaires et la composition de l'eau de mer dans le temps. D'importantes questions demeurent sans reponse quant aux details, aux taux et a la portee des processus et flux lithospheriques. Les capacites accrus du Integrated Ocean Drilling Proram (IODP) [programme integre de forages des fonds oceaniques] devant debuter en 2003 offrira de nombreuses perspectives stimulantes, dont une occasion d'evaluer le role de la creation lithospherique sur les cycles geochimiques et climatiques planetaires.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.001 | 0.005 |
| Scholarly communication | 0.004 | 0.005 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".