- published: 22 Mar 2011
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Scree, or talus, is accumulation of broken rock fragments at the base of crags, mountain cliffs, or valley shoulders. Landforms associated with these materials are sometimes called scree slopes or talus piles. These deposits typically have a concave upwards form, while the maximum inclination of such deposits corresponds to the angle of repose of the mean debris size.
The term scree comes from the Old Norse term for landslide, skriða, while the term talus is a French word meaning a slope or embankment. The two terms are often used interchangeably, though scree commonly refers to smaller material like mixed gravel and loose dirt, talus to rocks larger than scree.Talus is usually the preferred term in scientific writing.[citation needed]
Formation of scree or talus deposits results from physical and chemical weathering and erosional processes acting on a rock face. The predominant processes that degrade a rock slope depend largely on the regional climate (temperature, amount of rainfall, etc.). Examples include:
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Plot: The adventures and misadventures of Tom and Huck on the Mississippi River in Missouri with their involvement when they fall in with a gang of con artists, take up with a ragtag circus, help a freed slave buy his sister's freedom, and then see a dastardly villain get his.
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