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Rock mass strength and the form of some inselbergs in the central namib desert

✍ Scribed by M. J. Selby

Publisher: John Wiley and Sons
Year: 1982
Tongue: English
Weight: 652 KB
Volume: 7
Category: Article
ISSN: 0360-1269
DOI: 10.1002/esp.3290070509

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✦ Synopsis

Abstract

A rock mass strength classification, involving eight parameters, has been applied to selected inselbergs in the Namib Desert. The inselbergs are formed of schists, gneiss, granite and marble. Their slope inclinations are in a strength equilibrium with their rocks. The study suggests that the strength classification is consistent and has a general validity, and that rock slopes, undergoing uniform weathering, retreat to form slopes which are adjusted to their rock mass strength: this is a more general statement than the common hypothesis of parallel retreat. The favoured hypothesis of slope evolution in the Namib is one of retreat rather than downwearing.

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