The BGS Lexicon of Named Rock Units — Result Details

Limehillock Limestone Member

Computer Code: LIML Preferred Map Code: LimL
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Crystalline pale to mid-grey metacarbonate rock, massive to flaggy and thin- to medium-bedded, with minor semipelite and pelite interbeds. Minor cherty and calc-silicate rock lenses and discontinuous thin layers.
Definition of Lower Boundary: Base of first metalimestone bed above change from pale to dark pelites and semipelites at top of Tarnash Phyllite and Limestone Formation.
Definition of Upper Boundary: Sharp change from metalimestone to dark pelite or semipelite.
Thickness: c.100m at Limehillock Quarry and in Burn of Paithnick.
Geographical Limits: Occurs from Limehillock Quarry southwest to Nethermills [NJ 556 520 - 506 508], from Lurg Hill Plantation to north of Burnend [NJ 509 585 - 490 462] and from Goukstone to near Gallowhill Croft [NJ 480 560 - 482 533].
Parent Unit: Fordyce Limestone Formation (FORD)
Previous Name(s): Sandend Group [Obsolete Name and Code: Use DASG, LIML] (-2740)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Limehillock Quarry 
Reference Section  Burn of Paithnick, 350-500m south of Cairnie Crossroads. 
Reference(s):
Stephenson, D and Gould, D. 1995. British Regional Geology: the Grampian Highlands (4th edition). (London: HMSO for the British Geological Survey), 67-68. 
Harris, A L, Haselock, P J, Kennedy, M J and Mendum, J R, 1994. The Dalradian Supergroup in Scotland, Shetland and Ireland. 33-53 in Gibbons, W E and Harris, A L (editors). A revised correlation of Precambrian rocks in the British Isles. Special Report of the Geological Society, London, No.22. 
Read, H H, 1923. Geology of the country around Banff, Huntly and Turriff, Lower Banffshire and north-west Aberdeenshire. Memoir of the Geological Survey, Scotland Sheets 86 and 96 (Scotland). 
Stephenson, D, et al. 1993. Stratigraphy and correlation of the Dalradian rocks of the East Grampian Project area. British Geological Survey Technical Report WA/93/91. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S096 S086