CATASTROPHISM AND NEOCATASTROPHISM VERSUS COSMIC HAZARD: AGER VERSUS ALVAREZ; CUVIER VERSUS LAPLACE
Bibliographic record
Abstract
Research Article| June 01, 2015 CATASTROPHISM AND NEOCATASTROPHISM VERSUS COSMIC HAZARD: AGER VERSUS ALVAREZ; CUVIER VERSUS LAPLACE GRZEGORZ RACKI GRZEGORZ RACKI Department of Earth Sciences, University of Silesia, Sosnowiec, Poland e-mail: racki@us.edu.pl Search for other works by this author on: GSW Google Scholar Author and Article Information GRZEGORZ RACKI Department of Earth Sciences, University of Silesia, Sosnowiec, Poland e-mail: racki@us.edu.pl Publisher: SEPM Society for Sedimentary Geology Received: 09 Mar 2015 Accepted: 13 Mar 2015 First Online: 14 Jul 2017 Online ISSN: 1938-5323 Print ISSN: 0883-1351 Copyright © 2015, SEPM (Society for Sedimentary Geology) PALAIOS (2015) 30 (6): 432–434. https://doi.org/10.2110/palo.2015.003 Article history Received: 09 Mar 2015 Accepted: 13 Mar 2015 First Online: 14 Jul 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation GRZEGORZ RACKI; CATASTROPHISM AND NEOCATASTROPHISM VERSUS COSMIC HAZARD: AGER VERSUS ALVAREZ; CUVIER VERSUS LAPLACE. PALAIOS 2015;; 30 (6): 432–434. doi: https://doi.org/10.2110/palo.2015.003 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyPALAIOS Search Advanced Search In Ted Nield's book (2011), Derek V. Ager (1923–1993), the famous British paleontologist and stratigrapher, is presented at length by his former student as the father of neocatastrophism. The ideas of violent events and processes as geological agents were revived following a long-term predominance of the paradigm of uniformitarianism ("natural processes are steady across time and space") and the gradual theory of evolution (e.g., Palmer 2003). The neocatastrophism renaissance by the late twentieth century was paired with the successful emergence of two interconnected concepts: 1) the rare event principle and 2) the bolide impact theory of mass extinction. In... You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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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 | 0.003 | 0.026 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.003 |
| Scholarly communication | 0.003 | 0.003 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 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".