Periglacial geomorphology of summit tors on Bodmin Moor, Cornwall, SW England

Three maps are presented that portray the periglacial geomorphology of the three summit areas of Bodmin Moor, Cornwall, SW England, including Brown Willy (scale 1:2630), Kilmar/Bearah/Sharp tors (scale 1:3335) and Rough/Little Rough/Showery tors (scale 1:2175). Landform elements include castellated...

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Bibliographic Details
Published in:Journal of Maps
Main Authors: David J. A. Evans, Ria Kalyan, Chris Orton
Format: Article in Journal/Newspaper
Language:English
Published: Taylor & Francis Group 2017
Subjects:
Periglacial landsystem
permafrost
Bodmin Moor
tors
rock-fronted lobes
Maps
G3180-9980
Cornwall
Online Access:https://doi.org/10.1080/17445647.2017.1308283
https://doaj.org/article/d69b52ae98f745be977872db84289274
Description
Summary:Three maps are presented that portray the periglacial geomorphology of the three summit areas of Bodmin Moor, Cornwall, SW England, including Brown Willy (scale 1:2630), Kilmar/Bearah/Sharp tors (scale 1:3335) and Rough/Little Rough/Showery tors (scale 1:2175). Landform elements include castellated tors with well-developed cantilevered or precariously balanced corestones, summit blockfields, rock-fronted lobes thought to record former permafrost creep, patterned ground (stripes) and lower slope accumulations of crudely stratified growan or weathered granite residue. The altitudinal arrangement of these periglacial landforms appears to be a signature of a well-established periglacial landsystem and hence the Bodmin Moor granite massif is a suitable exemplar for a mature upland periglacial landsystem unaffected by glacierization.

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