A report on Volcano
Rupture 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.
- Volcano121 related topics with Alpha
Tuya Lake
2 linksTuya Lake, located in northwestern British Columbia, Canada, presumably derives its name from the presence of nearby steep-sided, flat-topped volcanoes, known as tuyas.
Volcanic field
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A volcanic field is an area of Earth's crust that is prone to localized volcanic activity.
Ignimbrite
3 linksType of volcanic rock.
Type of volcanic rock.
Ignimbrite is the deposit of a pyroclastic density current, or pyroclastic flow, which is a hot suspension of particles and gases flowing rapidly from a volcano and driven by being denser than the surrounding atmosphere.
Valles Caldera
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Valles Caldera (or Jemez Caldera) is a 13.7 mi wide volcanic caldera in the Jemez Mountains of northern New Mexico.
Earthquake
3 linksShaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.
Shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.
Earthquakes often occur in volcanic regions and are caused there, both by tectonic faults and the movement of magma in volcanoes.
Aeolian Islands
1 linksThe Aeolian Islands (Isole Eolie ; Ìsuli Eoli; Αιολίδες Νήσοι), sometimes referred to as the Lipari Islands or Lipari group after their largest island, are a volcanic archipelago in the Tyrrhenian Sea north of Sicily, named after the demigod of the winds Aeolus.
The Aeolian Islands (Isole Eolie ; Ìsuli Eoli; Αιολίδες Νήσοι), sometimes referred to as the Lipari Islands or Lipari group after their largest island, are a volcanic archipelago in the Tyrrhenian Sea north of Sicily, named after the demigod of the winds Aeolus.
Its subduction underneath the Eurasian plate generates magma, which rises to the surface to form the volcanoes.
Cryovolcano
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A cryovolcano (sometimes informally called an ice volcano) is a type of volcano that erupts volatiles such as water, ammonia or methane into an extremely cold environment that is at or below their freezing point.
Ultramafic rock
3 linksUltramafic rocks (also referred to as ultrabasic rocks, although the terms are not wholly equivalent) are igneous and meta-igneous rocks with a very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals (dark colored, high magnesium and iron content).
Ultramafic rocks (also referred to as ultrabasic rocks, although the terms are not wholly equivalent) are igneous and meta-igneous rocks with a very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals (dark colored, high magnesium and iron content).
Volcanic ultramafic rocks are rare outside of the Archaean and are essentially restricted to the Neoproterozoic or earlier, although some boninite lavas currently erupted within back-arc basins (Manus Trough, New Guinea) verge on being ultramafic.
Plateau
0 linksArea of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side.
Area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side.
Plateaus can be formed by a number of processes, including upwelling of volcanic magma, extrusion of lava, and erosion by water and glaciers.
Landform
1 linksNatural or artificial land feature on the solid surface of the Earth or other planetary body.
Natural or artificial land feature on the solid surface of the Earth or other planetary body.
Landforms include hills, mountains, canyons, and valleys, as well as shoreline features such as bays, peninsulas, and seas, including submerged features such as mid-ocean ridges, volcanoes, and the great ocean basins.