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The ‶Haggis Rock″ of the Southern Uplands

1936; Zoological Society of London; Volume: 13; Issue: 3 Linguagem: Inglês

10.1144/transed.13.3.371

2052-9414

Mowbray Ritchie, R.J.A. Eckford,

Geological formations and processes

This paper is concerned principally with the Haggis Rock, its constituents and relative position in the Hartfell series of the Southern Uplands. An account is also given of certain calcareous pebbly beds and shaly breccias which Peach and Horne1 regarded as the equivalent of the Haggis Rock. In addition, reference is made to the bands of igneous rock within the Northern Belt, the material of which we shall attempt to show has some bearing on the stratigraphical position of the Haggis Rock. The area chiefly dealt with includes that portion of the Northern Belt that stretches from a north-and-south line joining Peebles and Leadburn to the edge of the Sanquhar Coalfield in Nithsdale, a distance of over forty miles in a south-westerly direction (Plate XXII.). This area is contained within Sheets 15 and 24 of the One-inch Geological Map. I. ‶Haggis Rock.″ The name ‶Haggis″ appears to have been applied to this rock in olden days by quarrymen. As far as the name can be traced it first appears in the ‶Explanation of Sheet 15,″ published in 1871, where the name is said to be of local origin. Numerous references are made to the Haggis Rock in Peach and Horne's Memoir on the Silurian Rocks of Scotland. A description of the contents is given as they appear in hand specimens, but little or no work appears to have been done on the petrology of the constituent pebbles and fragments. It is also apparent that the term has been rather widely