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: Knox, R W O'B and Cordey, W G (eds.) Lithostratigraphic nomenclature of the UK North Sea. British Geological Survey, Nottingham. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |