Computer Code: |
BGLM |
Preferred Map Code: |
notEntered |
Status Code: |
Full |
Age range: |
Eifelian Age (DI)
— Eifelian Age (DI) |
Lithological Description: |
Laminated and bituminous microsparitic limestone interbedded with medium-grained sandstone and bituminous siltstone and mudstone. |
Definition of Lower Boundary: |
The lowest of the sequence of 3 thick [>1m] carbonate laminate [limestones] developed in the Bighouse Formation. |
Definition of Upper Boundary: |
The uppermost of the sequence of 3 thick [>1m] carbonate laminates [limestones] developed in the Bighouse Formation. |
Thickness: |
30m |
Geographical Limits: |
Onshore and immediately offshore of the Dounreay area, Caithness, Northern Scotland. |
Parent Unit: |
Bighouse Formation (BIGH)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Reference Section |
East side of Melvich Bay, north of Bighouse. |
Partial Type Section |
Baligill limestone quarry. |
Reference(s): |
British Geological Survey. (In preparation, to be published in 2005). Bedrock geology. Scotland Special Sheet (Dounreay).1:25 000. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |