The BGS Lexicon of Named Rock Units — Result Details

Am Binnein Sandstone Formation

Computer Code: ABN Preferred Map Code: ABN
Status Code: Full
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Purplish grey sandstones with subordinate beds of red-brown siltstone.
Definition of Lower Boundary: The top of the Auchencar Sandstone Formation.
Definition of Upper Boundary: The base of the Sannox Siltstone Formation in the Sannox area, and the unconformity with overlying Upper Devonian strata elsewhere on Arran.
Thickness: About 950 m to 670 m in the west of Arran.
Geographical Limits: Isle of Arran.
Parent Unit: Arbuthnott-Garvock Group (ATGK)
Previous Name(s): Am Binnein Sandstones Formation (-628)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Am Binnein, Goat Fell, Arran, Strathclyde, Scotland. Arran Special Sheets Nos. 13 and 21. 
Reference(s):
Friend, P F, Harland, W B and Hudson, J D, 1963. The Old Red Sandstone and the Highland Boundary in Arran, Scotland. Transactions of the Edinburgh Geological Society, Vol.19, 363-425. 
Browne, M A E, Smith, R A and Aitken, A M. 2001. A lithostratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. Version 3. British Geological Survey Research Report RR/01/04. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S338