ash cone


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Related to ash cone: Volcanic cone

ash cone

[′ash ‚kōn]
(geology)
A volcanic cone built primarily of unconsolidated ash and generally shaped somewhat like a saucer, with a rim in the form of a wide circle and a broad central depression often nearly at the same elevation as the surrounding country.
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References in periodicals archive ?
Left behind is a horse-shoe shaped ridge, harbouring a slowly growing ash cone at its centre.
After resting for a couple of hours, we set out slowly across the caldera floor and up the southwest side of the ash cone.
The CoM lava field is the largest young basalt eruption in the contiguous 48 states, with 60 individual lava flows and 25 ash cones having formed as recently as 2,000 years ago.
Excessively high temperature of ash has been the reason for frequent degradation of pressure and capacitance sensors of ash cones and ash bunkers in the ash removing duct.