Scarp retreat

Aerial view of retreating scarp in Namibia.

Components of a scarp where the caprock slopes back from the rim, as is common

Limestone cliffs, crags and scree that overlook the Dee valley in Wales

Scarp retreat is a geological process through which the location of an escarpment changes over time. Typically the cliff is undermined, rocks fall and form a talus slope, the talus is chemically or mechanically weathered and then removed through water or wind erosion, and the process of undermining resumes. Scarps may retreat for tens of kilometers in this way over relatively short geological time spans, even in arid locations.

单词	Scarp retreat
释义	Scarp retreat 英语百科 Scarp retreat Scarp retreat is a geological process through which the location of an escarpment changes over time. Typically the cliff is undermined, rocks fall and form a talus slope, the talus is chemically or mechanically weathered and then removed through water or wind erosion, and the process of undermining resumes. Scarps may retreat for tens of kilometers in this way over relatively short geological time spans, even in arid locations.
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