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 (-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, et al. 1993. Stratigraphy and correlation of the Dalradian rocks of the East Grampian Project area. British Geological Survey Technical Report WA/93/91. 
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). 
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. 
Stephenson, D and Gould, D , 1995. British Regional Geology: the Grampian Highlands (4th edition). (London: HMSO for the British Geological Survey), 67-68. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S096 S086