Noun
English Wikipedia has an article on:cinder coneWikipedia
cinder cone (plural cinder cones)
(volcanology) A conical deposit of rock fragments around a volcano.
An explosion from a new cinder cone low on Kliuchevskoi’s southwest flank occurred on October 12. An ash plume rose to altitudes of convert, and drifted eastward. Source: Internet
The initial phase of Surtsey's eruption was highly explosive, as the magma was quite wet, causing the rock to be blown apart by the boiling steam to form a tuff and cinder cone. Source: Internet
Details: Moderately difficult loop traversing scenic pastures along an ancient cinder cone, with some of the best panoramic views Kahuku has to offer. Source: Internet
That began with efforts to save Buck Hill, a small cinder cone on the west side of Trophy Mountain. Source: Internet