Clast size variations on talus: Some observations from northwest Ireland
✍ Scribed by Peter Wilson
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 457 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0360-1269
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✦ Synopsis
Clast size variations are reported for a relict talus slope in northwest Ireland. Alternating longitudinal zones of coarse debris below buttresses and less coarse debris below gullies give the talus pronounced lateral variations in clast size that are related to joint spacing variations in the talus source area. Longitudinal variations in clast size are also present. The talus accumulated predominantly by the process of rockfall. Other processes frequently associated with lateral size variations were not significantly effective during talus development. Talus sliding may have modified some patterns of rockfall size grading.