• Thumbnail for Columnar jointing
    Columnar jointing is a geological structure where sets of intersecting closely spaced fractures, referred to as joints, result in the formation of a regular...
    13 KB (1,314 words) - 04:16, 1 June 2025
  • Thumbnail for List of places with columnar jointed volcanics
    Columnar jointing of volcanic rocks exists in many places on Earth. Perhaps the most famous basalt lava flow in the world is the Giant's Causeway in Northern...
    29 KB (2,412 words) - 08:16, 4 June 2025
  • Thumbnail for Joint (geology)
    Columnar jointing is also known as either columnar structure, prismatic joints, or prismatic jointing Systematic joints are planar, parallel, joints that...
    22 KB (2,695 words) - 04:24, 19 June 2025
  • Thumbnail for Tyrrhena Terra
    wall with columnar jointing labeled Picture taken with HiRISE. Columnar jointing on the Earth. Columnar jointing on the Earth. Columnar Jointing in Yellowstone...
    5 KB (557 words) - 15:45, 18 December 2024
  • Thumbnail for Daepo Jusangjeolli Cliff
    Daepo Jusangjeolli Cliff (category Columnar basalts)
    Island, South Korea. It is named for jusangjeolli, the Korean term for columnar jointing. The cliff was formed when the lava from the island's volcano Hallasan...
    5 KB (157 words) - 21:06, 28 April 2025
  • Thumbnail for Catoctin Formation
    columnar jointing, low-dipping primary joints, amygdules, sedimentary dikes, and flow breccias. Evidence for past volcanic activity includes columnar...
    17 KB (2,132 words) - 23:42, 25 May 2025
  • Thumbnail for Stuðlagil
    This geological structure, known as basalt columns or sometimes columnar jointing, is found in several places in Iceland, but Stuðlagil is notable for...
    5 KB (592 words) - 23:00, 17 June 2025
  • Thumbnail for St. Francois Mountains
    of columnar jointing in igneous rhyolite, the same process that formed Devils Tower in Wyoming and the Giant's Causeway in Ireland. The columnar jointing...
    13 KB (1,340 words) - 08:20, 13 June 2025
  • Thumbnail for Tessellated pavement
    represent the cross-sections of polygonal, typically hexagonal joints, called columnar jointing, that formed as the result of the cooling of basaltic lava...
    9 KB (1,076 words) - 16:50, 27 September 2024
  • Thumbnail for Evidence of water on Mars found by Mars Reconnaissance Orbiter
    discovered columnar jointing in rocks on Mars. Such jointing is accepted as having involved water. To make the parallel cracks of columnar jointing, more cooling...
    81 KB (9,712 words) - 01:13, 1 November 2024
  • Thumbnail for Hong Kong UNESCO Global Geopark
    with its widely distributed tuff volcanic rocks displaying prismatic columnar jointing, which are of international geological significance the Northeast...
    9 KB (1,016 words) - 16:07, 23 October 2024
  • Thumbnail for Dverghamrar
    Rocks") is a geological formation in Southern Iceland, consisting of columnar jointing of volcanic rocks. The formation appears as vertical, hexagonal columns...
    6 KB (486 words) - 15:46, 4 May 2025
  • technique in encryption Columnar jointing, a geological structure shaped as a regular array of polygonal prisms Columnar basalt, a type of rock formed during...
    1 KB (179 words) - 09:56, 19 January 2022
  • Thumbnail for Basalt
    Basalt (redirect from Columnar basalt)
    1080/00107518408210979. Spry, Alan (January 1962). "The origin of columnar jointing, particularly in basalt flows". Journal of the Geological Society...
    70 KB (7,838 words) - 14:53, 20 May 2025
  • Thumbnail for Amazonis quadrangle
    locations in 2009. Columnar jointing in a crater in Marte Vallis Columnar jointing on Earth Columnar jointing on Earth Columnar Jointing in Yellowstone National...
    31 KB (4,001 words) - 07:56, 9 March 2025
  • Thumbnail for Staffa
    Staffa (category Columnar basalts of the United Kingdom)
    columnar jointing. The columns typically have three to eight sides, six being most common. The columns are also divided horizontally by cross joints....
    26 KB (3,242 words) - 16:27, 8 June 2025
  • Thumbnail for Mont Gerbier de Jonc
    of phonolite rock in the crater of the volcano. The lava dome has columnar jointing, which formed during cooling of the lava. The volcanic cone containing...
    2 KB (165 words) - 15:11, 4 April 2024
  • Thumbnail for Bombo Headland Quarry Geological Site
    contrasts markedly with the grey-black latite, which displays spectacular columnar jointing elsewhere in the quarry. Isolated columns 5–5 meters in height stand...
    9 KB (959 words) - 07:07, 9 December 2024
  • to: Columnar basalt Columnar joints Basalt Columns [uk], a geological nature monument near the village Bazaltove, Ukraine List of places with columnar jointed...
    292 bytes (60 words) - 03:12, 25 September 2021
  • Thumbnail for Po Pin Chau
    the High Island Reservoir, the island is known for its hexagonal columnar jointing. The island was originally a cape connected to the mainland, but eventually...
    3 KB (290 words) - 07:40, 3 April 2025
  • Thumbnail for Missouri Buttes
    buttes are composed of igneous intrusive phonolite which exhibits columnar jointing. The rocks of the buttes have been interpreted to be part of a laccolith...
    4 KB (320 words) - 06:20, 25 August 2024
  • Thumbnail for Lava
    solidified flow is called the entablature, while the lower part that shows columnar jointing is called the colonnade. (The terms are borrowed from Greek temple...
    56 KB (6,601 words) - 23:20, 19 June 2025
  • Thumbnail for Kilbourne Hole
    40 feet (12 m) in height, are composed of basalt and exhibit clear columnar jointing (a feature common to many basalt cliffs, including those of Devils...
    13 KB (1,479 words) - 23:15, 30 May 2025
  • Thumbnail for Devils Postpile National Monument
    Devils Postpile National Monument (category Columnar basalts of the United States)
    evenly, which is why the columns are so long and so symmetrical. Columnar jointing occurs when certain types of lava contract while cooling. A glacier...
    16 KB (1,579 words) - 05:14, 3 June 2025
  • Thumbnail for Basaltic Prisms of Santa María Regla
    Basaltic Prisms of Santa María Regla (category Columnar basalts)
    addition of stairs, walkways and hanging bridges for easier access. Columnar jointing Wikimedia Commons has media related to Basaltic Prisms of Santa María...
    3 KB (288 words) - 08:29, 11 July 2021
  • Thumbnail for Hughes Mountain
    Hughes Mountain (category Columnar basalts of the United States)
    honeycomb. Columnar jointing is not limited to rhyolite formations. The Devils Honeycomb is a smaller example of the sort of columnar jointing found at...
    9 KB (812 words) - 16:56, 20 February 2025
  • Thumbnail for Diabase
    of the landscape, particularly alpine areas, with many examples of columnar jointing. Early Jurassic activity resulted in the formation of dolerite intrusion...
    15 KB (1,682 words) - 22:54, 24 May 2025
  • Thumbnail for Igneous rock
    Crater during the 1969–1971 Mauna Ulu eruption of Kilauea volcano Columnar jointing in the Alcantara Gorge, Sicily A laccolith of granite (light-coloured)...
    48 KB (5,656 words) - 22:48, 24 May 2025
  • Thumbnail for Lava tube
    (7 ft) in diameter and has columnar jointing due to the large cooling surface. Other tubes have concentric and radial jointing features. These tubes are...
    20 KB (2,199 words) - 22:46, 22 May 2025
  • Thumbnail for Volcanic eruption
    effusive and thicken as the lava cools much more slowly, often forming columnar jointing. Well-preserved tuyas show all of these stages, for example Hjorleifshofdi...
    75 KB (7,657 words) - 14:16, 13 June 2025