| Computer Code: |
BOCL |
Preferred Map Code: |
BoCL |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
Thin-bedded metalimestone, 200m thick, with minor calc-silicate rock; shows abundant minor tight folding. |
| Definition of Lower Boundary: |
Base of massive metalimestone bed above the semipelites of the Old Hythe Limestone Member. |
| Definition of Upper Boundary: |
Transition to laminated and striped calc-silicate rock at the base of the Whyntie Brae Limestone Member. |
| Thickness: |
c.200m on coastal section; progressivley overstepped southwards by Whitehills Grit Formation. |
| Geographical Limits: |
From Moray Firth coast (Old Hythe to Boyne Bay) [NJ 6155 6625 - NJ 6165 6608] to 300m northwest of Hill of Chattie [587 630]. |
| Parent Unit: |
Boyne Limestone Formation (BOYL)
|
| Previous Name(s): |
Upper Part of Boyne Limestone [Obsolete Name and Code: Use BOCL]
(-3235)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Coastal section from east side of Old Hythe Bay to mouth of Burn of Boyne (Boyne Bay). |
| Reference Section |
Boyne Limestone Quarry. |
| 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. |
| 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. |
| 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). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S096
|
