Computer Code: |
MXS |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Tremadoc Series (O1)
— Arenig Series (OR) |
Lithological Description: |
[Obsolete: use MANX]
Comprising flags, grits, slates and breccias. |
Definition of Lower Boundary: |
The base is unknown. |
Definition of Upper Boundary: |
Drawn at the conformable upward passage of the Glendhoo Flags. Flags formation overlain by superficial deposits. |
Thickness: |
7600 metres. |
Geographical Limits: |
The Isle of Man. |
Parent Unit: |
none recorded or not applicable
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
The Isle of Man. |
Reference(s): |
Pugh, W J, 1949. Recent work on the Lower Palaeozoic Rocks. British Association for the Advancement of Science, Vol.6, (23), p.203-212. |
Blake, J F. 1905. On the Order of Succession of the Manx Slates. Quarterly Journal of the Geological Society of London, Vol. 61, 360-366. |
Lamplugh, G W. 1895. The Crush-Conglomerates of the Isle of Man. Quarterly Journal of the Geological Society, Vol. 51, p. 580. |
Lamplugh G W. 1903. The geology of the Isle of Man. Memoir Geological Survey of Great Britain. |
Lamplugh, G W, and Watts, W W. 1898. Summary of Progress of the Geological Survey of Great Britain, Vol. 69. |
Gillot , J E, 1956. Breccias in the Manx Slates. their origin and stratigraphic relations, Liverpool and Manchester Geological Journal, Vol.1, p.376. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |