| Computer Code: |
MARS |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Triassic Period (T)
— Triassic Period (T) |
| Lithological Description: |
The relatively clean, channelized sandstones at the top of the Skagerrak Formation in the north Central Graben may be informally termed the Marnock Sandstone unit. |
| Definition of Lower Boundary: |
The base of this unit can be determined by detailed logging of sedimentary structures in core, but it is not easily identified on wireline logs. |
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
North Central Graben. |
| Parent Unit: |
Skagerrak Formation (SKAG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Cameron, T D J. 1993. 4. Triassic, Permian and pre-Permian of the Central and Northern North Sea. In Lithostratigraphic nomenclature of the UK North Sea. Knox, R W O'B, and Cordey, W G (editors). (Nottingham: British Geological Survey.) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
