Ash cone | Article about ash cone by The Free Dictionary
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ash cone[′ash ‚kōn]
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.
References in periodicals archive
We could see the walls of the northern ice fields in the distance and Kibo's large ash cone
rising abruptly from the caldera floor.
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.