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单词 karst
释义

Definition of karst in English:

karst

noun kɑːstkɑrst
mass nounGeology
  • Landscape underlain by limestone which has been eroded by dissolution, producing ridges, towers, fissures, sinkholes and other characteristic landforms.

    count noun it was strange country, broken into hummocks and karsts and mesas
    parts of the karst are barren and treeless
    volcanic topography superficially resembling true karst
    Example sentencesExamples
    • All of these were vertical shaft caves or caves with steeply sloped entrances located in the limestone-dolostone karst of the Valley and Ridge physiographic province.
    • The sequence overlies Upper Triassic to Upper Cretaceous rocks and locally covers Palaeogene karst bauxite deposits.
    • The underlying limestone karst topography allows water to flow in abundant underground rivers, feeding the numerous springs, which flow into the many creeks and streams.
    • Subsidence sinkholes are diagnostic landforms of karst, which form in unconsolidated soils or drift deposits overlying cavernous limestone.
    • The road in Guangxi is relatively good, with at least two paved lanes; the route is quite scenic, with typical karst landscape all along the way.

Derivatives

  • karstic

  • adjectiveˈkɑːstɪkˈkɑrstɪk
    Geology
    • Aeolian processes are generally restricted to the entrances of karstic caves.
      Example sentencesExamples
      • However, karstic topography and presence of older structures makes identification of Tertiary faults difficult in many places.
      • The last is at a karstic horizon, rendering correlation of the top of the older stage difficult.
      • Without archaeological study of such environments, we will remain with incomplete culture histories of karstic regions.
      • This mini-canyon formed inside a karstic catchment depression in less than 10 years.
  • karstification

  • noun kɑːstɪfɪˈkeɪʃ(ə)nˌkɑrstəfəˈkeɪʃ(ə)n
    Geology
    • Defining the timing of karstification in a specific geologic setting is often a challenging task.
      Example sentencesExamples
      • Evidence is found in the seismic data for karstification on top of the San Andres Formation.
      • The upper surface of the bed is riddled with rhizoliths and dark gray wispy seams, indicating post-depositional karstification of the shelf.
  • karstify

  • verbkarstifies, karstified, karstifyingˈkɑːstɪfʌɪˈkɑrstəˌfaɪ
    [with object]Geology
    • Erode (rock) by dissolution, producing ridges, towers, and other landforms characteristic of karst.

      the limestone is karstified by the tropic rainwater all over the island

Origin

Late 19th century: from German der Karst, the name of a limestone region in Slovenia.

 
 

Definition of karst in US English:

karst

nounkɑrstkärst
Geology
  • Landscape underlain by limestone which has been eroded by dissolution, producing ridges, towers, fissures, sinkholes and other characteristic landforms.

    Example sentencesExamples
    • The sequence overlies Upper Triassic to Upper Cretaceous rocks and locally covers Palaeogene karst bauxite deposits.
    • Subsidence sinkholes are diagnostic landforms of karst, which form in unconsolidated soils or drift deposits overlying cavernous limestone.
    • All of these were vertical shaft caves or caves with steeply sloped entrances located in the limestone-dolostone karst of the Valley and Ridge physiographic province.
    • The road in Guangxi is relatively good, with at least two paved lanes; the route is quite scenic, with typical karst landscape all along the way.
    • The underlying limestone karst topography allows water to flow in abundant underground rivers, feeding the numerous springs, which flow into the many creeks and streams.

Origin

Late 19th century: from German der Karst, the name of a limestone region in Slovenia.

 
 
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更新时间:2025/3/21 12:12:01