Earth:Norfolk Ridge

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Short description: Submarine ridge between New Caledonia and New Zealand
Topographic map of Zealandia showing the Norfolk Ridge

The Norfolk Ridge is a long submarine ridge running between New Caledonia and New Zealand, about 1300 km off the east-coast of Australia.[1]

It is part of a complex region of ridges between the crust of the Pacific Basin and the continental crust of Australia. Little is known about the Norfolk Ridge; however, it generally lies about 2000 m below sea level and consists of Late Cretaceous continental crust. It is part of Zealandia, a submerged continent that sank 60-85 million years ago.[2][3][4]

References



  1. Eade, James V. (1988), Nairn, Alan E. M.; Stehli, Francis G.; Uyeda, Seiya, eds., "The Norfolk Ridge System and Its Margins" (in en), The Ocean Basins and Margins: Volume 7B: The Pacific Ocean (Boston, MA: Springer US): pp. 303–324, doi:10.1007/978-1-4615-8041-6_7, ISBN 978-1-4615-8041-6, https://doi.org/10.1007/978-1-4615-8041-6_7, retrieved 2020-12-15 
  2. Patriat, M.; Collot, J.; Roest, W. R.; Sutherland, R.; Etienne, S.; Bordenave, A.; Marcaillou, B.; Philippe, S. et al. (2019-12-01). "Stratigraphy and Tectonics of the Continental Norfolk Ridge, SW Pacific Ocean". AGU Fall Meeting Abstracts 23. Bibcode2019AGUFM.T23G0514P. http://adsabs.harvard.edu/abs/2019AGUFM.T23G0514P. 
  3. Mortimer, N.; Patriat, M.; Gans, P. B.; Agranier, A.; Chazot, G.; Collot, J.; Crundwell, M. P.; Durance, P. M. J. et al. (2020-09-03). "The Norfolk Ridge seamounts: Eocene–Miocene volcanoes near Zealandia's rifted continental margin". Australian Journal of Earth Sciences 68 (3): 368–380. doi:10.1080/08120099.2020.1805007. ISSN 0812-0099. https://doi.org/10.1080/08120099.2020.1805007. 
  4. Nairn, Alan E. M.; Stehli, Francis G.; Uyeda, Seiya (2013-04-17) (in en). The Ocean Basins and Margins: The Pacific Ocean. Springer Science & Business Media. ISBN 978-1-4615-8041-6. https://books.google.com/books?id=8_sxBwAAQBAJ&q=norfolk+ridge&pg=PT450.