• Thumbnail for Seafloor spreading
    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 (4,108 words) - 13:08, 15 December 2023
  • Thumbnail for Mid-ocean 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 (4,663 words) - 06:09, 17 February 2024
  • Thumbnail for Plate tectonics
    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...
    112 KB (13,615 words) - 00:01, 6 February 2024
  • Thumbnail for Back-arc basin
    ocean basin does, indicating asymmetric seafloor spreading. This has prompted some to characterize the spreading in back-arc basins to be more diffused...
    26 KB (2,984 words) - 06:12, 29 December 2023
  • Thumbnail for Seabed
    Seabed (redirect from Seafloor)
    ocean is very deep, where the seabed is known as the abyssal plain. Seafloor spreading creates mid-ocean ridges along the center line of major ocean basins...
    26 KB (4,315 words) - 09:16, 26 February 2024
  • Thumbnail for Orogeny
    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 (4,255 words) - 23:40, 9 January 2024
  • Thumbnail for Paleomagnetism
    continental drift, while marine magnetic anomalies did the same for seafloor spreading. Paleomagnetic data continues to extend the history of plate tectonics...
    19 KB (2,258 words) - 21:07, 25 March 2024
  • Thumbnail for Vine–Matthews–Morley hypothesis
    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) - 01:30, 6 January 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
  • deeper. During seafloor spreading, lithosphere and mantle cooling, contraction, and isostatic adjustment with age cause seafloor deepening. This relationship...
    17 KB (2,147 words) - 10:49, 29 November 2023
  • Thumbnail for Marine geophysics
    methods. Marine geophysical data analyses led to the theories of seafloor spreading and plate tectonics. Marine geophysics uses techniques largely employed...
    28 KB (3,115 words) - 05:30, 30 November 2023
  • Thumbnail for Transform fault
    boundaries, forming a zigzag pattern. This is a result of oblique seafloor spreading where the direction of motion is not perpendicular to the trend of...
    13 KB (1,693 words) - 02:36, 2 February 2024
  • Thumbnail for Divergent boundary
    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) - 07:57, 14 March 2024
  • Thumbnail for Sheeted dyke complex
    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 (1,117 words) - 01:34, 6 January 2024
  • Thumbnail for Cayman Trough
    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) - 11:26, 21 August 2023
  • Thumbnail for Wilson Cycle
    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
  • Thumbnail for Red Sea Rift
    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) - 21:05, 26 January 2024
  • Thumbnail for Marine geology
    geophysicist by the name of Harry H. Hess hypothesized that the seafloor was spreading from the mid ocean ridge system. With support from the maps of the...
    18 KB (2,063 words) - 17:44, 26 March 2024
  • Thumbnail for Zealandia
    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 (2,899 words) - 04:01, 18 March 2024
  • Thumbnail for Rift
    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 (2,534 words) - 16:35, 21 January 2024
  • Thumbnail for Marine 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) - 12:10, 15 January 2024
  • 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...
    14 KB (4,385 words) - 12:15, 30 October 2023
  • 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
  • Thumbnail for Supercontinent
    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) - 15:39, 4 February 2024
  • Thumbnail for Maya Region
    Gulf of Mexico seafloor spreading starts inc. exposed northern Lowlands; cf  144 144 Ma Early Cretaceous Caribbean Sea seafloor spreading starts cf  120...
    48 KB (3,744 words) - 19:55, 28 February 2024
  • Thumbnail for Woodlark Basin
    Guinea. The basin is an extensional basin that is actively spreading and has a seafloor spreading center. The basin formed between the then Indo-Australian...
    34 KB (3,523 words) - 14:59, 19 January 2024
  • Thumbnail for East Pacific Rise
    Richard G.; Wang, Chengzu (2018). "Oblique seafloor spreading across intermediate and superfast spreading centers". Earth and Planetary Science Letters...
    9 KB (981 words) - 18:45, 21 February 2024
  • Thumbnail for Atlantic Ocean
    Active and inactive spreading systems in this area are marked by the interaction with the Iceland hotspot. Seafloor spreading led to the extension of...
    113 KB (12,286 words) - 16:29, 25 March 2024
  • Thumbnail for Deep sea mining
    approximately 200 °C Submarine seamount provinces are linked to hotspots and seafloor spreading and vary in depth. They show characteristic distributions. In the...
    63 KB (7,190 words) - 17:30, 28 March 2024
  • Thumbnail for Ophiolite
    evidence of relict black smokers, which continue to operate within the seafloor spreading centers of ocean ridges today.[citation needed] Thus, there is reason...
    32 KB (3,876 words) - 01:55, 27 March 2024