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Marginal offsets, fracture zones, and the early opening of the North Atlantic
Abstract
A simplified model is proposed that can explain the evolution of marginal offsets, ridges, and fracture zones. Submarine features of the equatorial Atlantic margins are examined and are found to be in reasonable agreement with the model. The results reaffirm the suggestion that the South Atlantic opened in two stages beginning about 140 m.y. and 80 m.y. ago. The pole of rotation describing the relative motion of the South American and African plates changed radically when the constraints imposed by adjacent continental blocks were relaxed.
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Citations
Cited by
On the relative importance of the driving forces of plate motion
Forsyth, D., & Uyeda, S. (1975) · Geophysical Journal International · doi:10.1111/j.1365-246x.1975.tb00631.x · Cited by 1,673
Sykes, L. R. (1978) · Reviews of Geophysics · doi:10.1029/rg016i004p00621 · Cited by 745
A model for the evolution of the Indian Ocean and the breakup of Gondwanaland
Norton, I. O., & Sclater, J. G. (1979) · Journal of Geophysical Research: Solid Earth · doi:10.1029/jb084ib12p06803 · Cited by 721
Pindell, J., & Dewey, J. F. (1982) · Tectonics · doi:10.1029/tc001i002p00179 · Cited by 649
Molnar, P., Atwater, T., Mammerickx, J., & Smith, S. M. (1975) · Geophysical Journal International · doi:10.1111/j.1365-246x.1975.tb04139.x · Cited by 461
Metadata
- Authors
- Le Pichon, X., & Fox, P. J.
- Venue
- Journal of Geophysical Research
- Publisher
- American Geophysical Union (AGU)
- Published
- 1971-09-10
- Volume
- 76
- Issue
- 26
- Pages
- 6294-6308
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W2120954655
- Cited by
- 397
- References
- 0
- FWCI
- 29.15
- Type
- journal article
- Language
- en
- Open access
- closed
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- Le Pichon, X., & Fox, P. J. (1971). Marginal offsets, fracture zones, and the early opening of the North Atlantic. Journal of Geophysical Research. https://doi.org/10.1029/jb076i026p06294
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
