On the identification, genesis and palaeo-environmental significance of pronival ramparts

• Main Author: Hedding, David William
• Other Authors: Sumner, P.D. (Paul)
• Format: Thesis
• Language: English
• Published: University of Pretoria 2014
• Subjects: UCTD; Antarctic; Dronning Maud Land; Grunehogna; Antarc*; Antarctica; Marion Island
• Online Access: http://hdl.handle.net/2263/43349

A pronival (protalus) rampart is a ridge, series of ridges or ramp of unconsolidated debris formed at the downslope margin of a perennial or semi-permanent snowbed overlooked by an exposed bedrock cliff. These landforms were traditionally regarded as simple and easily understood since the mechanisms...