Exeter and Its Region
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... further example of a shingle ridge , but in this case the large boulders are locally derived , mainly from the Culm Measures sandstones and shales . Movement is here dominantly from south to north and new ridges are still forming at the ...
... further dissected the landscape . The clitter , or upper head , which must once have been liberally distributed over the now - enclosed portions of the granite outcrops , has been collected to form the field boundaries which are often ...
... further divided the upper gravels into a lower solifluction horizon and an ' upper stony loam ' , both of which he assigned to the fourth glacial . By the method of simply counting down the deposits he arrived at the same chronology as ...