Natural conduit through which lava flows beneath the solid surface
Valentine Cave, a lava tube in Lava Beds National Monument, California shows the classic tube shape; the grooves on the wall mark former flow levels.Thurston Lava Tube in Hawaii Volcanoes National Park, Hawaii. The step mark, more visible on the right wall, indicates the depth at which the lava flowed for a period of time.Rare characteristics of lava tubes are lava pillars. This is the Manjanggul lava pillar located in the Manjanggul lava tubes, on the island of Jeju-do, Korea.Lavacicles on the ceiling of Mushpot Cave in Lava Beds National MonumentClose-up of a skylight on a coastal plain, with lava stalactites forming on the roof of the tube, Hawaii Volcanoes National ParkEntrance of a lava tube, Big island, Hawaii
A lava tube, or pyroduct,[1] is a natural conduit formed by flowing lava from a volcanic vent that moves beneath the hardened surface of a lava flow. If lava in the tube empties, it will leave a cave.
^"Hawaiʻi Volcanoes National Park – Lava Tubes". National Park Service. 28 April 2020. Retrieved 21 July 2020.
A lavatube, or pyroduct, is a natural conduit formed by flowing lava from a volcanic vent that moves beneath the hardened surface of a lava flow. If lava...
Martian lavatubes are volcanic caverns on Mars that are believed to form as a result of fast-moving, basaltic lava flows associated with shield volcanism...
Lunar lavatubes are lavatubes on the Moon formed during the eruption of basaltic lava flows. When the surface of a lava flow cools, it hardens and the...
Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface...
A lavatube, or pyroduct, is a natural conduit formed by flowing lava from a volcanic vent that moves beneath the hardened surface of a lava flow. If lava...
lava and forming lavatubes. Lavacicles on the ceiling of a lavatube were produced as the level of lava in the tube retreated and the viscous lava on...
of overlaying lava. These structures help further the propagation of lava, as the walls of the tube insulate the lava within. Lavatubes can account for...
contain a number of volcanic features related to the cooling of lava, including lavatubes, rilles and wrinkle ridges. The Moon has been volcanically active...
of the UNESCO World Heritage Sites in 2007 because of the Geomunoreum LavaTube System and the exhibition of diverse and accessible volcanic features...
common and extensive type of lava cave. Lavatubes usually form in pahoehoe lava flows, though exceptions exist. As the lava is emitted from the vent area...
discovered more than 900 kites in Harrat Khaybar. Within the lava field is the Umm Jirsan lavatube, with a length of 1,481 metres (4,859 ft) in three sections...
driblet of lava from a semi-solid ceiling, but then grows by accreting layers as successive flows of lava rise and fall in the lavatube, coating and...
Cavaticovelia aaa. This bug, known commonly as the aaa water treader, lavatube crawler, or lavatube water treader, is a water treader native to Hawaii. The insect's...
gravity. Drops of molten lava (siliceous material, SiO 2) solidify onto the floor of the already emptied lavatube, when the lava temperature sufficiently...
well-preserved lava cave features, such as lava stalactites and curbs, the latter marking high stands of the flowing lava frozen on the lavatube walls. The lava tubes...
in length, the northwest section of the cave is the longest continuous lavatube in Oregon. While the cave's discovery in 1889 was officially credited...
proportion of the ion stream. Lunar lavatubes are a potential location for constructing a lunar base. Any intact lavatube on the Moon could serve as a shelter...
The Horse LavaTube System (or Horse system) is a series of lavatubes within Deschutes County, Oregon, of the United States. The system starts within...
Cave is a lavatube and has been surveyed at 40.7 miles (65.5 km) long and 3,614 feet (1,102 m) deep making it the longest and deepest lavatube in the world...
World Heritage Sites in South Korea Hallasan Gimnyeonggul Geomunoreum LavaTube System Manjanggul Sohn, Y. K.; Chough, S. K. (1992). "The Ilchulbong tuff...
beyond the Moon. A lunar lava cave potential has long been suggested and discussed in literature and thesis. Any intact lavatube on the Moon could serve...
a lavatube created by a 1881 lava flow from Mauna Loa. The tube has been surveyed at 2.026 miles (2197 m) long making it the 57th longest lavatube in...
Extension tube, a tool for macro photography Test tube, a piece of laboratory equipment Eustachian tube, part of the structure of the ear Lavatube, found...
of a lavatube, and are often associated with pahoehoe lavas of basaltic composition. High pressure causes lava to ooze and spatter out. The lava builds...
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