• 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 (2,902 words) - 05:25, 31 December 2024
  • 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 (947 words) - 06:15, 26 January 2025
  • 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) - 13:03, 28 May 2025
  • 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...
    48 KB (4,634 words) - 05:32, 23 May 2025
  • 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 (7,014 words) - 07:23, 25 May 2025
  • 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 (5,546 words) - 12:48, 11 March 2025
  • 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 (3,380 words) - 01:53, 25 May 2025
  • 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 (1,111 words) - 18:13, 17 August 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 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 (2,459 words) - 09:53, 24 May 2025
  • Non-volcanic passive margins (NVPM) constitute one end member of the transitional crustal types that lie beneath passive continental margins; the other...
    16 KB (2,119 words) - 01:12, 24 May 2025
  • Overlying the arc-related sequence is a Late Cambrian to Early Devonian passive margin succession of clastic and carbonate sedimentary rocks. The Tākaka Terrane...
    63 KB (8,258 words) - 06:58, 25 May 2025
  • 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...
    24 KB (2,610 words) - 23:15, 23 May 2025
  • 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 (8,304 words) - 23:31, 22 May 2025
  • 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 (1,613 words) - 19:23, 5 January 2025
  • 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) - 09:10, 5 April 2025
  • 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
  • Thumbnail for Cambrian
    convergent margin. Along the then western margin, Late Neoproterozoic to early Cambrian rifting was followed by the development of a passive margin. To the...
    88 KB (9,283 words) - 17:39, 23 May 2025
  • 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 (8,844 words) - 00:33, 26 May 2025
  • 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...
    14 KB (1,474 words) - 01:17, 25 May 2025
  • 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...
    116 KB (12,172 words) - 18:49, 9 May 2025
  • 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) - 05:23, 23 May 2025
  • 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 (9,197 words) - 00:10, 8 May 2025
  • Thumbnail for Mojave Desert
    again likely submerged under a greater sea.: 116  The passive margin switched to active margin in the early-to-mid Mesozoic when the Farallon Plate under...
    53 KB (4,054 words) - 10:20, 27 May 2025
  • Thumbnail for Tectonic evolution of Patagonia
    portion of Patagonia was separated from Gondwana, and the resulting passive margin that formed was a site of extensive sedimentation throughout the early-middle...
    33 KB (4,107 words) - 08:43, 5 April 2025
  • Thumbnail for Geology of the Appalachians
    continental margin, coincident with the initiation of subduction. Thrust faulting uplifted and warped older sedimentary rock laid down on the passive margin. As...
    23 KB (2,593 words) - 11:31, 3 April 2025
  • 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...
    14 KB (1,721 words) - 12:46, 25 February 2025
  • 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...
    15 KB (1,674 words) - 23:50, 23 May 2025
  • 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...
    70 KB (7,622 words) - 19:17, 23 May 2025
  • Thumbnail for Thrust tectonics
    on strike-slip faults and as part of detached fault systems on some passive margins. In areas of thrust tectonics, two main processes are recognized: thin-skinned...
    7 KB (832 words) - 02:56, 11 November 2024