Computer Code: |
LGT |
Preferred Map Code: |
LAN |
Status Code: |
Full |
Age range: |
Tournaisian Age (CT)
— Tournaisian Age (CT) |
Lithological Description: |
White sandstones and red-brown mudstones with pedogenic carbonate. |
Definition of Lower Boundary: |
Transition from grey silty mudstones with dolomitic limestones. |
Definition of Upper Boundary: |
Transition to white cross-bedded sandstones. |
Thickness: |
About 30m |
Geographical Limits: |
The vicinity of Laggantuin, northeastern coast of the Isle of Arran, Scotland. |
Parent Unit: |
Clyde Sandstone Formation (CYD)
|
Previous Name(s): |
Laggantuin Cornstones Formation [Obsolete Name and Code: Use LGT]
(-3523)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Arran Special Sheet. |
Reference(s): |
Paterson, I B and Hall, I H S. 1986. Lithostratigraphy of the late Devonian and early Carboniferous rocks in the Midland Valley of Scotland. British Geological Survey Report, 18/3. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S338
S013
|