debris cone

debris cone

[də′brē ‚kōn]
(geology)
A mound of fine-grained debris piled atop certain boulders moved by a landslide.
A mound of ice or snow on a glacier covered with a thin layer of debris.
References in periodicals archive ?
rock glaciers, scree slopes, patterned ground, earth hummocks, debris cones, solifluction lobes and solifluction terraces.