Computer Code: |
EGT |
Preferred Map Code: |
EGT |
Status Code: |
Full |
Age range: |
Wenlock Epoch (SW)
— Wenlock Epoch (SW) |
Lithological Description: |
Mainly greyish medium-grained sandstone, locally a coarse-grained subgreywacke varying from dark greenish grey to pale red in colour. Also local thin beds of pebbly sandstone, conglomerate and micaceous sandstone |
Definition of Lower Boundary: |
Transitional incoming of a predominantly sandstone succession belonging to the Eastgate Sandstone Member above the Kirk Hill Conglomerate Member of the Westgate Formation |
Definition of Upper Boundary: |
The fairly sharp base of the greywacke-pebble bearing Greywacke Conglomerate Formation above the predominantly sandstone succession of the Eastgate Sandstone Member of the Westgate Formation |
Thickness: |
To 400m |
Geographical Limits: |
Carmichael Inlier near Carmichael, Lanarkshire, Scotland |
Parent Unit: |
Westgate Formation (WGAT)
|
Previous Name(s): |
Eastgate Formation
(-749)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Disused quarry 150m north of Eastgate, northeast of Carmichael, Lanarkshire Rolfe, 1960 |
Reference(s): |
BGS Lexicon. |
Rolfe, W D I, 1960. The Silurian inlier of Carmichael, Lanarkshire. Transactions of the Royal Society of Edinburgh, Vol.64, 245-260 |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S023
|