Dirrington Great Law

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Dirrington Great Law
Dirrington Great Law - geograph.org.uk - 11912.jpg
Dirrington Great Law
Highest point
Elevation 398 metres (1,306 ft)
Prominence 157 metres (515 ft)
Listing Marilyn
Coordinates 55°47′12″N 2°28′57″W / 55.7867°N 2.4826°W / 55.7867; -2.4826Coordinates: 55°47′12″N 2°28′57″W / 55.7867°N 2.4826°W / 55.7867; -2.4826
Geography
Location Scottish Borders
OS grid NT698549

Dirrington Great Law is a hill in the Scottish Borders area of Scotland, in the former county of Berwickshire. The summit is around 2.5 kilometres (1.6 mi) south of Longformacus and 9 kilometres (5.6 mi) west of Duns. It is an isolated hill to the south of the Lammermuir Plateau. Dirrington Little Law (360 metres (1,180 ft)) is located 2 kilometres (1.2 mi) to the south-west.

Geologically, the two Dirrington Laws comprise Carboniferous volcanic felsite (riebeckite), and may be the remains of a laccolith, a type of volcanic intrusion into the surrounding sedimentary rocks of the Old Red Sandstone.[1]

At the summit of Dirrington Great Law are three large circular cairns, 23.5 metres (77 ft), 21 metres (69 ft), and 8.5 metres (28 ft) in diameter.[2] The cairns are composed of stones excavated from the hilltop, rather than from loose stone gathered from the ground.[3]

See also[edit]

References[edit]

  1. ^ Irving, John (1930). "Four Felstone Intrusions in Central Berwickshire (abstract)". Geological Magazine. Cambridge University Press. 67: 529–541. doi:10.1017/s0016756800100603. 
  2. ^ "Dirrington Great Law". CANMORE. RCAHMS. Retrieved 2011-04-15. 
  3. ^ Craw, J Hewat (1921). "Notes on Berwickshire Forts, with a description of those recently discovered" (PDF). Proceedings of the Society of Antiquaries of Scotland. 55: 231–255. 
  • Craw J H (1923a), 'Early types of burial in Berwickshire', Hist Berwickshire Natur Club, vol.24,2, page 190