Mount Sir Donald
Mount Sir Donald
Key People:
Alfred Elis Törnebohm
Related Topics:
volcanic dome
nunatak
mesa
butte
ridge

mountain, landform that rises prominently above its surroundings, generally exhibiting steep slopes, a relatively confined summit area, and considerable local relief. Mountains generally are understood to be larger than hills, but the term has no standardized geological meaning. Very rarely do mountains occur individually. In most cases, they are found in elongated ranges or chains. When an array of such ranges is linked together, it constitutes a mountain belt. For a list of selected mountains of the world, see below. A mountain belt is many tens to hundreds of kilometres wide and hundreds to thousands of kilometres long. It stands ...(100 of 11921 words)