Seafloor spreading, or seafloor spread, is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then...
28 KB (4,179 words) - 19:17, 11 June 2024
Mid-ocean ridge (redirect from Seafloor spreading ridge)
basin. This feature is where seafloor spreading takes place along a divergent plate boundary. The rate of seafloor spreading determines the morphology of...
36 KB (4,631 words) - 18:52, 19 September 2024
Plate tectonics (redirect from Seafloor striping)
century. Plate tectonics came to be accepted by geoscientists after seafloor spreading was validated in the mid-to-late 1960s. Earth's lithosphere, the rigid...
113 KB (13,666 words) - 14:46, 3 September 2024
Back-arc basin (redirect from Backarc spreading)
ocean basin does, indicating asymmetric seafloor spreading. This has prompted some to characterize the spreading in back-arc basins to be more diffused...
25 KB (2,994 words) - 14:31, 8 August 2024
Paleomagnetism (redirect from Seafloor magnetism)
continental drift, while marine magnetic anomalies did the same for seafloor spreading. Paleomagnetic data continues to extend the history of plate tectonics...
20 KB (2,267 words) - 05:28, 17 September 2024
divergent boundaries, forming a zigzag pattern. This results from oblique seafloor spreading where the direction of motion is not perpendicular to the trend of...
13 KB (1,691 words) - 22:24, 18 September 2024
direction as seafloor spreading takes place. Harry Hess proposed the seafloor spreading hypothesis in 1960 (published in 1962); the term "spreading of the seafloor"...
12 KB (1,382 words) - 22:30, 1 June 2024
Orogeny (section Seafloor spreading)
marginal crust of the two continents. As the two continents rift apart, seafloor spreading commences along the axis of a new ocean basin. Deep marine sediments...
38 KB (4,243 words) - 21:59, 13 August 2024
dispersion Seafloor spreading, the process leading to continental drift Spread spectrum, communications signals over a range of frequencies Spread Toolkit...
3 KB (379 words) - 08:12, 17 February 2024
the American geophysicist Harry H. Hess hypothesized that the seafloor was spreading from the mid-ocean ridge system. With support from the maps of the...
57 KB (6,372 words) - 18:26, 6 August 2024
higher from the seafloor. Mid-ocean ridges with a spreading rate less than or equal to 40 mm/year are considered to be slow-spreading ridges. These formations...
9 KB (1,131 words) - 17:08, 29 July 2024
one views the seafloor between the fracture zones as conveyor belts carrying the ridge on each side of the rift away from the spreading center the action...
6 KB (761 words) - 16:33, 15 September 2024
methods. Marine geophysical data analyses led to the theories of seafloor spreading and plate tectonics. Marine geophysics uses techniques largely employed...
28 KB (3,125 words) - 09:42, 29 July 2024
deeper. During seafloor spreading, lithosphere and mantle cooling, contraction, and isostatic adjustment with age cause seafloor deepening. This relationship...
17 KB (2,183 words) - 10:49, 29 November 2023
Pangaea occurred during the Paleogene as Atlantic Ocean rifting and seafloor spreading extended northwards, separating the North America and Eurasian plates...
62 KB (6,978 words) - 17:44, 5 September 2024
over the Mesozoic to Cenozoic periods following the Wilson Cycle. Seafloor spreading in the central Atlantic Ocean likely occurred around 134-126 Ma on...
7 KB (769 words) - 02:57, 4 February 2024
During the seafloor spreading process, three episodes of spreading were classified based on the magnetic anomalies. The seafloor spreading center jumps...
21 KB (3,154 words) - 03:08, 27 December 2023
Red Sea Rift (section Spreading model)
rift motion was seen in the lower/middle Eocene, followed by major seafloor spreading in the late Eocene and early Oligocene. This was followed by a period...
7 KB (917 words) - 15:19, 16 August 2024
Cayman Trough (redirect from Mid-Cayman spreading centre)
Report: WHOI-83-34. Ten Brink, Uri S., et al., 2001, Asymmetric seafloor spreading: crustal thickness variations and transitional crust in Cayman Trough...
9 KB (967 words) - 21:00, 28 July 2024
Central Basin Spreading Center (CBSC), formerly Central Basin Fault, is a seafloor spreading center of the West Philippine Basin. It is a long, NW-SE-trending...
2 KB (259 words) - 07:32, 18 September 2023
to spreading develops at a triple junction where three converging rifts meet over a hotspot. Two of these evolve to the point of seafloor spreading, while...
22 KB (2,531 words) - 20:22, 28 August 2024
conducted pioneering research along with Harry Hammond Hess concerning seafloor spreading, published as early as 1960–1961. While at the Scripps Institution...
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Active and inactive spreading systems in this area are marked by the interaction with the Iceland hotspot. Seafloor spreading led to the extension of...
116 KB (12,537 words) - 22:56, 14 September 2024
Marine sediment (redirect from Seafloor sediment)
sediment, or ocean sediment, or seafloor sediment, are deposits of insoluble particles that have accumulated on the seafloor. These particles either have...
109 KB (12,371 words) - 03:21, 16 May 2024
After 85 million years ago Zealandia separated from Australia through seafloor spreading of the Coral and Tasman seas until this ceased 52 million years ago...
18 KB (2,900 words) - 17:14, 15 August 2024
tectonics. He published theories on sea floor spreading, specifically on relationships between island arcs, seafloor gravity anomalies, and serpentinized peridotite...
21 KB (1,901 words) - 13:38, 3 July 2024
idea of a spreading force acting at the ridges was not mentioned in scientific literature until Harry Hess's proposal of seafloor spreading in 1960, which...
14 KB (1,593 words) - 10:05, 15 April 2024
Richard G.; Wang, Chengzu (2018). "Oblique seafloor spreading across intermediate and superfast spreading centers". Earth and Planetary Science Letters...
9 KB (981 words) - 19:01, 12 April 2024
margins form. The edges of these continents may rift. At this point, seafloor spreading becomes the driving force. Passive margins are therefore born during...
32 KB (3,806 words) - 06:37, 4 May 2024