A steep, conical hill built up about a volcanic vent and composed of coarse pyroclastic rock fragments expelled from the vent by escaping gases.
conical hill built of coarse tephra ejected from a narrow volcanic vent; a type of volcano
A cone-shaped hill that consists of pyroclastic materials ejected from a volcanic vent.
A small volcanic cone built up around a basaltic vent.
1. A steep, cone-shaped hill composed of volcanic fragments erupted from a vent. The rock fragments, often called cinders or scoria, are glassy and contain numerous gas bubbles "frozen" into place as magma exploded into the air and then cooled quickly. 2. Cone-shaped hill formed by accumulation of cinders and other pyroclastic material around a volcanic vent.
A steep, conical hill that is formed by the accumulation of cinders, spatter, and other pyroclastic material.
A small steep-sided volcano composed of pyroclastic materials that accumulate around a vent.
a volcano made mostly of cinders and other things that were thrown into the air.
The simplest type of volcano, built from particles and blobs of congealed lava ejected from a single vent.
A small cone-shaped volcano composed of cinders that formed around the vent at an angle of repose, approx. 32° (for example, the angle of which sand is piled).
small, steep-sided conical hill built mainly of cinder, spatter, and volcanic bombs
a steep, conical hill of volcanic fragments that accumulate around and downwind from a vent
a volcanic cone built almost entirely of loose volcanic fragments called cinders ( pumice , pyroclastic s, or tephra )
A steep conical hill formed above a vent, usually less than 250m high. Also named scoria-cone.
a small conical-shaped volcano formed by the accumulation of ejected cinders and other volcanic debris that falls back to Earth close to the vent area
A steep, cone-shaped hill formed around a volcanic vent by the eruption of rock fragments.
a volcano made of lava fragments.
A steep sided small cone composed of cinders, ash and bombs.
A volcanic cone built entirely of loose fragmented material (pyroclastics.)
pyroclastic cone composed primarily of cinders.
A circular or oval cone made up of small fragments of lava from a single vent that have been blown into the air, cooled and fallen around the vent.
A volcanic cone built almost entirely of loose volcanic fragments, ash, and pumice (pyroclastics or tephra) more details...
Small volcanic cones, typically composed of coarse, stratified volcanic "cinders." (Image) (Image)
A steep conical hill formed during fire-fountaining, and usually made of frozen droplets (‘cinders' or ‘scoriae' of basalt or andesite).
A steep-sided volcano formed by the explosive eruption of cinders that form around a vent. Cinders are lava fragments about 1 centimeter (about 1/2 inch) in diameter.
An unstable volcanic cone formed of loose pyroclastics.
Volcanic feature. A conical hill formed by the accumulation of cinders and other pyroclastic debris around a volcanic vent. Wizard Island, in Crater Lake, Oregon, is an example of a Cinder Cone.
A volcano made entirely of tephra. Colonnade: In columnar cooling joints, the lower portion of a solidified lava flow that consists of typically well-formed, prismatic columns. The columns formed as the molten lava slowly cooled and solidified.
A conical hill formed by the accumulation of pyroclastic fragments that fall to the ground in an essentially solid condition.
A conical hill formed by the accumulation of volcanic ash or cinders around a vent.
A cinder cone is a cone-shaped volcano. Its steep sides are formed by volcanic cinders that fall to the Earth close to the vent.
Cinder Cone is a pyroclastic cone that has a small crater on the west side of the Helm Glacier in Garibaldi Provincial Park. Cinder Cone is surrounded by cinder flats and its crater is filled with melt water during the summer. Cinder Cone gets eroded easily by melt water during the spring, washing the pyroclastics into the Valley of Desolation.