Computer Code: |
NSK |
Preferred Map Code: |
NSK |
Status Code: |
Full |
Age range: |
Telychian Age (ST)
— Homerian Age (SH) |
Lithological Description: |
Regressive sequence passing up from turbidite mudstones, siltstones and sandstones, through laminated mudstones and siltstones to sandstones and conglomerates. |
Definition of Lower Boundary: |
Not exposed. |
Definition of Upper Boundary: |
Not exposed - Unconformably overlain by Greywacke Conglomerate Formation (Lower 'Old Red Sandstone') and faulted against Kinneswood Formation (Inverclyde Group). |
Thickness: |
At least 2500m |
Geographical Limits: |
Pentland Hills, Midland Valley. |
Parent Unit: |
Not Applicable (-)
|
Previous Name(s): |
North Esk Formation [Obsolete Name And Code: Use NSK]
(NES)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
North Esk Inlier, Bavelaw Castle Inlier and Loganlee Inlier, Pentland Hills. |
Reference(s): |
Tipper, J C, 1976. The stratigraphy of the North Esk Inlier. Scottish Journal of Geology, Vol.12, Pt, 15-22. |
Robertson, G, 1989. A palaeoenvironmental interpretation of the Silurian rocks in the Pentland Hills, near Edinburgh, Scotland. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol.80, 127-141. |
Robertson, G, 1986. North Esk Inlier. 174-185 in Lothian Geology. An Excursion Guide. McAdam, A D and Clarkson, E N K (editors). [Edinburgh: Scottish Academic Press.] |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S032
S032
S024
|