These glaciers, also called expanded-foot glaciers, are formed by the spreading and coalescing of valley glaciers from higher elevations in the mountains.
(These glaciers; also called; expanded-foot glaciers) (These glaciers, also called expanded-foot glaciers; are formed; by the spreading and coalescing of valley glaciers from higher elevations in the mountains)
These glaciers These glaciers, also called expanded-foot glaciers
also called are formed
expanded-foot glaciers
by the spreading and coalescing of valley glaciers from higher elevations in the mountains