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Pages in category "Volcanic landforms" The following 49 pages are in this category, out of 49 total. ... Volcano; Volcanogenic lake This page was ...
Structural terrace – A step-like landform; Subglacial mound – Volcano formed when lava erupts beneath a thick glacier or ice sheet; Submarine canyon – Steep-sided valley cut into the seabed of the continental slope; Submarine volcano – Underwater vents or fissures in the Earth's surface from which magma can erupt
Landforms are categorized by characteristic physical attributes such as elevation, slope, orientation, structure stratification, rock exposure, and soil type.Gross physical features or landforms include intuitive elements such as berms, mounds, hills, ridges, cliffs, valleys, rivers, peninsulas, volcanoes, and numerous other structural and size-scaled (e.g. ponds vs. lakes, hills vs. mountains ...
Multiple successive and extensive lava flows cover the original landscape to eventually form a plateau, which may contain lava fields, cinder cones, shield volcanoes and other volcanic landforms. In some cases, a lava plateau may be part of a single volcano.
A hotspot volcano is center. [8] Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains. A volcanic arc system is a series of volcanoes that form near a subduction zone where the crust of a sinking oceanic plate melts and drags water down with the subducting crust. [9]
Augustine Volcano (Alaska) during its eruptive phase on January 24, 2006. A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
The southern shield volcano formed from 21 to 14 Ma. The northern shield volcano was built mainly from 17 to 12 Ma. [78] These shield volcanoes erupted mostly basaltic and trachybasaltic lava flows. [79] Lower Pliocene fossiliferous marine sedimentary rocks at Ajuy, Fuerteventura (foreground cliff height is approximately 2 metres (6.6 ft))
A spatter cone is a low, steep-sided hill or mound that consists of welded lava fragments, called spatter, which has formed around a lava fountain issuing from a central vent. Typically, spatter cones are about 3–5 meters (9.8–16.4 ft) high.