| Computer Code: |
DCBD |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
[Obsolete: use MCD] A slaty rock characterised by the gradual development of andalusite to a complete form throughout occurs. Bands of pebbly quartz-feldspar grit. |
| Definition of Lower Boundary: |
Drawn at the base of the semi-pelitic wacke of the Boyndie Bay Formation where it rests conformably on the psammitic wacke of the Upper Whitehills Formation. |
| Definition of Upper Boundary: |
Drawn at the conformable upward passage from semi-pelitic wacke of the Boyndie Bay Formation to the Macduff Slates. |
| Thickness: |
Not Known. |
| Geographical Limits: |
Grampian, Scotland. |
| Parent Unit: |
none recorded or not applicable
|
| Previous Name(s): |
Boyndie Bay Group [Obsolete Name and Code: Use MCD, DCBD]
(-203)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Boyndie Bay, Banffshire, Scotland. |
| Reference(s): |
| Read, H H, 1921. The Banffshire Coast section of the Highland Schists. Summary of Progress of the Geological Survey of Great Britain for 1920, p.70. |
| Read, H H, 1936. The stratigraphical order of the Dalradian rocks of the Banffshire Coast. Geological Magazine, Vol.73, p.472. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
