8 Ice shelf A floating ice sheet of considerable thickness attached to a coast, nourished by glacier(s)&#59; snow accumulation on its surface or bottom freezing 9 Rock glacier A glacier&#45;shaped mass of angular rock in a cirque or valley either with interstitial ice, firn, and snow or covering the remnants of a glacier, moving slowly downslope.
(considerable thickness; attached; ) (A floating ice sheet of considerable thickness; nourished; by glacier(s)&#59)
considerable thickness A floating ice sheet of considerable thickness
attached nourished
by glacier(s)&#59