- A vertical cross section through a sequence of formations .
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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geological column — noun A diagram showing the subdivisions of part or all of geological time or the stratigraphical sequence in a particular area • • • Main Entry: ↑geology … Useful english dictionary
Column Rock — (63°11′S 57°19′W / 63.183°S 57.317°W / 63.183; 57.317) is a conspicuous rock pinnacle 1 mile (1.6 km) north of Gourdin Island, Trinity Peninsula. The descriptive name was applied by the … Wikipedia
column — /ˈkɒləm / (say koluhm) noun 1. Architecture a. an upright shaft or body of greater length than thickness, usually serving as a support; a pillar. b. a vertical architectural member consisting typically of an approximately cylindrical shaft with a … Australian English dictionary
Geological unit — A geological unit is a volume of rock or ice of identifiable origin and age range that is defined by the distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic features (facies) that characterize it.… … Wikipedia
List of geological faults of Wales — This is a list of the named geological faults affecting the rocks of Wales. See the main article on faults for a fuller treatment of fault types and nomenclature but in brief, the main types are normal faults, reverse faults, thrusts or thrust… … Wikipedia
Nelson's Column — For the BBC comedy, see Nelson s Column (TV series). For the Montreal neighbourhood, see Nelson s Column, Montreal. Nelson s column in Trafalgar square Nelson s Column is a monument in Trafalgar Square in central London built to commemorate… … Wikipedia
Eruption column — over Mount Pinatubo in the Philippines An eruption column consists of hot volcanic ash emitted during an explosive volcanic eruption. The ash forms a column rising many kilometres into the air above the peak of the volcano. In the most explosive… … Wikipedia
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