The BGS Lexicon of Named Rock Units — Result Details

Lorn Plateau Volcanic Formation

Computer Code: LPVO Preferred Map Code: LPVO
Status Code: Pending Upgrade
Age range: Pridoli Epoch (SO) — Early Devonian Epoch (DL)
Lithological Description: Mainly basalts, including orthopyroxene-bearing types, with rare rhyolites, dacites, tuffs, agglomerates and some intercalated conglomerate.
Definition of Lower Boundary: The base of the lava pile interfingering with the Kerrera Sandstone Formation below.
Definition of Upper Boundary: The top of the lava pile, which has been partly removed by erosion.
Thickness: Up to 800m thickness is preserved.
Geographical Limits: Argyll, Scotland.
Parent Unit: Not Applicable (-)
Previous Name(s): Lorn Plateau Lavas [Obsolete Name And Code: Use LPVO] (LPL)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Partial Type Section  South-western end of the island of Kerrera. Durant, 1999. 
Type Area  Lorn plateau, Argyll. Lee and Bailey, 1925. 
Reference(s):
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. 
Durant, G. 1999. South Kerrera. p.489-492 in Caledonian igneous rocks of Great Britain. (Geological Conservation Review Series No. 17). 
Groome, D R and Hall, A. 1974. The geochemistry of the Devonian lavas of the northern Lorne Plateau, Scotland. Mineralogical Magazine, Vol. 39, p. 621-640. 
Lee, G W and Bailey, E B. 1925. The pre-Tertiary Geology of Mull, Loch Aline and Oban. Memoir of the Geological Survey of Great Britain, parts of Sheets 35, 43, 44, 45 and 52 (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S045 S044 S037 S036