Assertion: glacier | /r/HasProperty | snow
Facets:
value: at the highest elevations
type: LOCATION
Source sentences:
text: Glaciers are made of several materials with different densities (given in units of kg m-3): snow that fell in the most recent winter (200-500 kg m-3), firn (snow from previous winters, 500-900 kg m-3) and ice (900 kg m-3).
text: The area on top of the glacier which may be snow, ice, rock fragments or covered with soil, plants or forests.
text: At the highest elevations, the glacier is snow and ice covered; but as it flows downstream, it picks up rockfall debris.