| Computer Code: |
LAGSL |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Callovian Age (JC)
— Oxfordian Age (JO) |
| Lithological Description: |
A sequence of slightly glauconitic medium-grained grey fossiliferous siltstone with glauconitic sandstone and calcareous mudstone beds. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
North-west coast of Eigg. |
| Parent Unit: |
Staffin Shale Formation (SFSH)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Sykes, R M. 1975. The stratigraphy of the Callovian and Oxfordian stages (Middle-Upper Jurassic) in northern Scotland. Scottish Journal of Geology, Vol.11, 51-78. |
| Wright, J K. 1964. The so-called Oxfordian shales of Eigg, Inner Hebrides. Geological Magazine, Vol.101, 185-186. |
| Barron, A J M, Lott, G K, and Riding, J B. 2012. Stratigraphical framework for the Middle Jurassic strata of Great Britain and the adjoining continental shelf. British Geological Survey Research Report RR/11/06. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S060
|
