Quaternary fan and river terrace deposits, glen orchy, East Cape Drakensberg, South Africa | Zendy

Lewis Colin A. | Zendy; Hanvey Patricia M. | Zendy

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Quaternary fan and river terrace deposits, glen orchy, East Cape Drakensberg, South Africa

Author(s) -

Lewis Colin A.,

Hanvey Patricia M.

Publication year - 1991

Publication title -

permafrost and periglacial processes

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.867

H-Index - 76

eISSN - 1099-1530

pISSN - 1045-6740

DOI - 10.1002/ppp.3430020108

Subject(s) - solifluction , terrace (agriculture) , colluvium , geology , quaternary , river terraces , fluvial , geomorphology , cape , archaeology , paleontology , glacial period , geography , alluvium , structural basin

The processes responsible for the formation of fans and river terraces is deduced from sedimentological evidence. The older fans are a result of solifluction and may have formed between 24000 and ± 12000 years BP . A younger fan is predominantly composed of colluvium and accumulated in at least three phases, the most recent of which post‐dates ± 2440 years BP . The lower of the two solifluction fans has been partially reworked by fluvial action: some of the eroded debris has been redeposited and now forms a river terrace.

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