• Thumbnail for Passive margin
    A passive margin is the transition between oceanic and continental lithosphere that is not an active plate margin. A passive margin forms by sedimentation...
    24 KB (2,909 words) - 18:57, 2 September 2023
  • Thumbnail for Continental margin
    outermost zone of the continental margin. There are two types of continental margins: active and passive margins. Active margins are typically associated with...
    8 KB (949 words) - 07:59, 15 February 2024
  • Volcanic passive margins (VPM) and non-volcanic passive margins are the two forms of transitional crust that lie beneath passive continental margins that...
    10 KB (1,048 words) - 12:53, 30 December 2023
  • Thumbnail for Sedimentary basin
    form a passive margin. In this case the sedimentary rocks of the rift basin phase are overlain by those rocks deposited during the passive margin phase...
    47 KB (4,615 words) - 16:12, 8 January 2024
  • Thumbnail for Geology of North America
    Atlantic Coast turned from an active margin into a passive one. Terranes were no longer accreted onto the margin; instead, sediment eroded off the Appalachians...
    34 KB (3,370 words) - 20:16, 27 July 2023
  • Thumbnail for Mountain formation
    no widely accepted geophysical model that explains elevated passive continental margins such as the Scandinavian Mountains, eastern Greenland, the Brazilian...
    18 KB (1,603 words) - 15:44, 20 March 2024
  • Thumbnail for Geology of the Death Valley area
    straits. A passive margin developed on the edges of these new seas in the Death Valley region. Carbonate banks formed on this part of the two margins only to...
    57 KB (5,531 words) - 03:44, 23 March 2024
  • Thumbnail for Supercontinent
    where passive margins form. The edges of these continents may rift. At this point, seafloor spreading becomes the driving force. Passive margins are therefore...
    32 KB (3,806 words) - 18:16, 28 March 2024
  • Thumbnail for Baltica
    Mesoproterozoic sediments. The margin became a passive margin facing the Ural Ocean in the Cambrian–Ordovician. The eastern margin stretches south through the...
    23 KB (2,451 words) - 14:40, 18 October 2023
  • Non-volcanic passive margins (NVPM) constitute one end member of the transitional crustal types that lie beneath passive continental margins; the other...
    16 KB (2,102 words) - 11:58, 3 January 2023
  • antiformal closures and these are known as metamorphic core complexes. Passive margins above a weak layer develop a specific set of extensional structures...
    10 KB (1,065 words) - 00:17, 25 November 2023
  • Thumbnail for Continent
    comprising the continental cratons. The margins of geologic continents are either active or passive. An active margin is characterised by mountain building...
    90 KB (8,792 words) - 21:35, 27 March 2024
  • Thumbnail for Continental shelf
    of the deep ocean basin proper, but the flooded margins of the continent. Passive continental margins such as most of the Atlantic coasts have wide and...
    23 KB (2,595 words) - 05:32, 17 February 2024
  • Thumbnail for Subduction
    as a passive margin. Some passive margins have up to 10 km of sedimentary and volcanic rocks covering the continental crust. As a passive margin is pulled...
    67 KB (8,274 words) - 03:13, 28 February 2024
  • Thumbnail for Appalachian Mountains
    continental margin coincident with the initiation of subduction. Thrust faulting uplifted and warped older sedimentary rock laid down on the passive margin. As...
    85 KB (9,152 words) - 04:04, 29 March 2024
  • Thumbnail for Permian Basin (North America)
    marine sedimentation onto the ancestral Tobosa Basin characterized the passive margin, shallow marine environment. The Tobosa Basin also contains basement...
    59 KB (7,008 words) - 04:08, 20 March 2024
  • subsidence on a large scale in a variety of environments, including passive margins, aulacogens, fore-arc basins, foreland basins, intercontinental basins...
    10 KB (1,159 words) - 18:24, 20 November 2023
  • have occurred within a rift basin that evolved into a largely marine passive margin setting. The glacial diamictite deposits within the Huronian are on...
    14 KB (1,542 words) - 18:17, 22 March 2024
  • Thumbnail for Krishna Godavari Basin
    Krishna Godavari Basin is a peri-cratonic passive margin basin in India. It is spread across more than 50,000 square kilometres in the Krishna River and...
    13 KB (1,678 words) - 07:48, 2 February 2024
  • Thumbnail for Carboniferous
    the passive margin of northeastern Laurussia (Baltica craton). The suture zone between the former island arc complex and the continental margin formed...
    110 KB (11,562 words) - 02:03, 16 March 2024
  • by extensional tectonics, was associated with the development of a passive margin in northern Africa as the Neotethys Ocean was formed. The second, dominated...
    6 KB (688 words) - 20:48, 10 June 2023
  • Thumbnail for Devonian
    Gondwana was mostly a passive margin, hosting extensive marine deposits in areas such as northwest Africa and Tibet. The eastern margin, though warmer than...
    69 KB (7,575 words) - 16:04, 9 March 2024
  • Thumbnail for Rub' al Khali Basin
    Rub' al Khali Basin (category Passive margins)
    halite deposition. This tectonic regime gradually transitioned into a passive margin setting with the opening of the Neo-Tethys in the Early Triassic. During...
    31 KB (1,831 words) - 04:16, 15 July 2023
  • Thumbnail for East Coast of the United States
    The East Coast, with the exception of eastern Maine, is a low-relief, passive margin coast. It has been shaped by the Pleistocene glaciation in the far northern...
    32 KB (2,227 words) - 19:18, 20 March 2024
  • Thumbnail for Congo Canyon
    view of the interaction between a giant submarine fan and a mature passive margin (ZaiAngo project)". Tectonophysics. 470 (1): 42–56. Bibcode:2009Tectp...
    6 KB (730 words) - 14:19, 27 March 2024
  • Thumbnail for Geology of Australia
    platforms and passive margin basins existed in South Australia – – formed in the foreland of the Delamerian Orogeny. Western Australian passive margin basins...
    27 KB (3,571 words) - 13:50, 10 February 2024
  • Thumbnail for Tectonics
    strike-slip faults, in back-arc basins, and on the continental end of passive margin sequences where a detachment layer is present. Thrust tectonics is associated...
    11 KB (1,178 words) - 12:28, 6 March 2024
  • Thumbnail for Submarine canyon
    common on the steep slopes found on active margins compared to those on the gentler slopes found on passive margins. They show erosion through all substrates...
    12 KB (1,478 words) - 14:29, 7 October 2023
  • Thumbnail for Maracaibo Basin
    South American plate developed into a passive margin with the Proto-Caribbean Seaway. This stable passive margin allowed for thermal subsidence to occur...
    13 KB (1,465 words) - 02:48, 6 January 2024
  • fields exist in two characteristic tectonic settings—passive margin and rift environments. Passive margins are found along the edges of major ocean basins...
    8 KB (1,073 words) - 15:42, 13 July 2023