Computer Code: |
GHAG |
Preferred Map Code: |
notEntered |
Status Code: |
Pending Upgrade |
Age range: |
Tournaisian Age (CT)
— Visean Age (CV) |
Lithological Description: |
Agglomerate. |
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: |
none recorded or not applicable
|
Parent Unit: |
Not Available (!)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
Boulton, W S. 1911. On a monchiquite intrusion in the Old Red Sandstone of Monmouthshire. Quarterly Journal of the Geological Society of London, Vol. 67, 460-476. |
Welch, F B A and Trotter, F M. 1961. Geology of the country around Monmouth and Chepstow. Explanation of one-inch geological sheets 233 and 250. Memoir of the Geological Survey of Great Britain. |
Eyles, V A and Blundell, C R K, 1957. On a Volcanic Vent and Associated Monchiquite Intrusions in Monmouthshire. Geological Magazine, Vol.94, 54-57. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E250
|