Contextualizing the Cartographic Origins of Continental Drift: Antonio Snider-Pellegrini’s <i>La Création et ses Mystères Dévoilés</i> (1858) and Nineteenth-Century Transnational Scientific Networks
Bibliographic record
Abstract
The continental drift theory proposed by Alfred Wegener in the early twentieth century was a pivotal advancement in our understanding of the Earth’s geological configuration and its graphical representation. However, already in 1858, the adventurer Antonio Snider-Pellegrini had published La Création et ses Mystères Dévoilés, which included the first-ever depiction of continental drift in two compelling globe maps, drawn by the planetary mapper Charles Bulard, illustrating the Earth’s surface “before” and “after separation.” The first part of this contribution explores the earlier versions of the continental drift hypothesis from the seventeenth to the nineteenth century, identifying the theories and concepts that likely influenced Snider and Bulard’s work. Subsequent sections provide a detailed analysis of their theory, while in the final section, a hitherto unpublished account of Snider’s and Bulard’s lives sheds light on the circumstances and encounters most likely to be relevant to their conceptualization of continental drift. Among these was the presence of the geographer and explorer Alexander von Humboldt. Snider and Bulard’s theory of continental drift is the outcome of a combination of planetary representation, scientific theorization and human exploration, and offers new research perspectives.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.002 | 0.002 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".