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): |
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 and Gould, D. 1995. British Regional Geology: the Grampian Highlands (4th edition). (London: HMSO for the British Geological Survey), 67-68. |
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. |
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. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S096
S086
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