Mass movement on hard rock slopes
Rockfalls
Are the sudden falling of individual rocks from near vertical cliffs, often result from frost wedging in cold mountainous areas and water saturation in humid mountainous areas as the rocks fall they break down and collect at the bottom of the slope those broken rocks are then called talus.
Are the sudden movement of large quantities of loose surface rocks and soil down valley sides and cliff faces. Landslides also result from gravitational pull and wetness caused by water, landslides can result in loss of life and destruction of property, especially if the rock material consist of huge masses of rocks.
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