Ash cone - definition of Ash cone by The Free Dictionary
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A steep, conical hill consisting of glassy volcanic fragments that accumulate around and downwind from a volcanic vent.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive
The Preiser Scientific Ash Fusion System is designed to determine ash cone
deformation temperatures in coal and coke ash per ASTM Standard D-1857 and ISO Standard 540 (CO/C[O.sub.2] reducing atmosphere option).
Jabal Abyad, at 2,093 meters in Harrat Khyber, is the Kingdom's highest volcano, and close by stands Jabal Bayda, its sister white ash cone
, at 1,913 meters.
Left behind is a horse-shoe shaped ridge, harbouring a slowly growing ash cone
at its centre.