• Thumbnail for Unconformity
    The significance of angular unconformity (see below) was shown by James Hutton, who found examples of Hutton's Unconformity at Jedburgh in 1787 and at...
    9 KB (904 words) - 09:23, 17 January 2025
  • Thumbnail for Great Unconformity
    The term Great Unconformity is frequently applied to the unconformity observed by John Wesley Powell in the Grand Canyon in 1869. It is an exceptional...
    15 KB (1,492 words) - 02:34, 26 April 2025
  • and Unconformity. Materials at - The Unconformity (Festival) (Queenstown, Tas.) (2016), The Unconformity : [collection of brochures], The Unconformity, retrieved...
    10 KB (855 words) - 03:22, 7 January 2025
  • Hutton, such an unconformity provided evidence for his Plutonist theories of uniformitarianism and the age of Earth. An unconformity is a break in the...
    16 KB (1,796 words) - 20:24, 5 February 2025
  • Thumbnail for Taconic unconformity
    The Taconic unconformity is a major unconformity created during the Taconic orogeny, exposed from eastern New York State to the Gaspe peninsula. The orogeny...
    1 KB (150 words) - 18:39, 10 February 2025
  • Unconformity List of films with a 100% rating on Rotten Tomatoes "Unconformity". Rotten Tomatoes. Retrieved October 28, 2024. Ng, Alan. "Unconformity"...
    2 KB (164 words) - 18:58, 28 October 2024
  • Thumbnail for Cross-cutting relationships
    bounded on the top and bottom by unconformities, where the lower unconformity truncates dike A and the upper unconformity truncates dike B (which penetrates...
    5 KB (633 words) - 23:49, 28 April 2025
  • Thumbnail for Uranium ore
    Phanerozoic examples exist. Phanerozoic unconformity-related deposits occur in Proterozoic metasediments below an unconformity at the base of overlying Phanerozoic...
    46 KB (4,818 words) - 20:04, 10 May 2025
  • Thumbnail for Siccar Point
    coast of Scotland. It is famous in the history of geology for Hutton's Unconformity found in 1788, which James Hutton regarded as conclusive proof of his...
    7 KB (695 words) - 23:59, 3 March 2025
  • Thumbnail for Oak Ridges Moraine
    metres of Ordovician aged rock (see geology below), capped by a regional unconformity of erosion and non-deposition to the Quaternary period. Rivers and lakes...
    35 KB (4,257 words) - 13:52, 22 June 2024
  • Thumbnail for Adelaide Superbasin
    Subgroup Unconformity Cryogenian Umberatana Group Yerelina Subgroup Toorrowangee Group Teamsters Creek Subgroup Upalinna Subgroup Unconformity Euriowie...
    26 KB (2,569 words) - 03:22, 16 April 2025
  • Thumbnail for Unkar Group
    Group is a prominent angular unconformity, which is part of the Great Unconformity. The surface of this angular unconformity truncates dipping strata comprising...
    28 KB (3,429 words) - 15:17, 2 November 2024
  • In geology, a subaerial unconformity is a surface that displays signs of erosion by processes that commonly occur on the surface. These processes generating...
    2 KB (160 words) - 01:15, 28 July 2023
  • Thumbnail for Eparchaean Unconformity
    and gneisses) (2) the Eparchean unconformity (Quartzose sandstones overlying the granite with a distinct unconformity) (3) Puranas (a general name for...
    10 KB (904 words) - 06:31, 23 April 2025
  • Thumbnail for Eagle Ford Group
    of a middle Cretaceous unconformity. Currently, the Sabine Uplift is in the subsurface, and the middle Cretaceous unconformity is not seen because it...
    28 KB (3,312 words) - 16:40, 8 March 2025
  • Thumbnail for Petroleum trap
    found in clinoforms, in a pinching-out sedimentary structure, under an unconformity or in a structure created by the creep of an evaporite. In a salt dome...
    7 KB (605 words) - 02:13, 13 February 2025
  • The morphology of some of these areas has been preserved: it is an unconformity beneath a cover of marine sedimentary rocks. The Campanian was introduced...
    12 KB (1,005 words) - 04:42, 24 February 2025
  • Thumbnail for Taconic orogeny
    The "Taconic Unconformity" is an angular unconformity exposed from eastern New York State to the Gaspe peninsula...
    15 KB (1,851 words) - 23:43, 30 April 2024
  • Mesón Group (Spanish: Grupo Mesón) is a Cambrian to Early Ordovician sedimentary formation located in the Argentine Northwest and nearby parts of Bolivia...
    5 KB (231 words) - 08:43, 5 April 2025
  • Thumbnail for Hugh Raffles
    selected by The New York Times as a Notable Book of 2010. The Book of Unconformities was awarded the 2023 J.I. Staley Prize from the School for Advanced...
    4 KB (471 words) - 22:30, 22 April 2025
  • Thumbnail for Carlin Unconformity
    The Carlin Unconformity or Carlin Trend is a geologic feature in northeastern Nevada which represents a period of erosion or non-deposition likely associated...
    5 KB (465 words) - 18:17, 10 February 2025
  • Thumbnail for James Hutton
    Retrieved 3 May 2011. "Hutton's Unconformity". Isle of Arran Heritage Museum. 2014. Retrieved 20 November 2017. "Hutton's Unconformity – Lochranza, Isle of Arran...
    52 KB (5,584 words) - 15:15, 27 January 2025
  • Thumbnail for Divergent double subduction
    from the crust above, isostatic rebound occurs, leaving a significant unconformity in the sedimentary sections.  In nature, the inverted "U" shape of the...
    19 KB (2,240 words) - 22:37, 28 July 2024
  • In geology, a sequence is a stratigraphic unit which is bounded by an unconformity at the top and at the bottom. In a more rigorous and general way, a sequence...
    2 KB (141 words) - 00:32, 3 December 2023
  • Thumbnail for Lithostratigraphy
    The surface stratum resulting is called an unconformity. Four types of unconformity: Angular unconformity: younger sediment lies upon an eroded surface...
    13 KB (1,402 words) - 01:10, 28 December 2024
  • known as the "Great Unconformity" which has been interpreted as a large-scale erosional event in the basement rock unit. This unconformity is used to correlate...
    29 KB (3,480 words) - 07:26, 11 May 2025
  • Thumbnail for Natural Arch, Tirumala hills
    (the gneisses), (2) the Eparchean unconformity (Quartzose sandstones Overlying the granite with a distinct unconformity), (3) Puranas (formation of Cuddapah...
    13 KB (1,211 words) - 06:27, 23 April 2025
  • Thumbnail for Carolina bays
    Carolina bays consist of a few meters of sand and/or mud that rest on an unconformity above a harder substrate that does not show signs of deformation or other...
    46 KB (5,667 words) - 16:53, 28 April 2025
  • Thumbnail for Nias Basin
    erosional unconformity. The 2nd sequence stratigraphy displays a marine transgression, and ends with an erosional unconformity. This unconformity could be...
    10 KB (1,316 words) - 12:22, 9 November 2024
  • Thumbnail for Knox Supergroup
    well as thin beds of sandstone. The Knox lies beneath a unconformity known as the Knox Unconformity. There is well-developed karst topography at the top...
    15 KB (1,189 words) - 01:23, 27 March 2025