| Computer Code: |
GLAM |
Preferred Map Code: |
GAM |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
Pale to dark green amphibole schist with local thin lenticles of impure limestone. |
| Definition of Lower Boundary: |
Conformable on Dungiven Limestone Formation. |
| Definition of Upper Boundary: |
Chloritic greenbeds passing upwards into Dart Formation clastic lithologies. |
| Thickness: |
Maximum 700m |
| Geographical Limits: |
Glenga and Oughtnager Townlands, County Londonderry, Northern Ireland. |
| Parent Unit: |
Dart Formation (DART)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Glenga and Stroanbrack Townlands, County Londonderry. |
| Partial Type Section |
South end of Butterslope Glen. |
| Partial Type Section |
Glenga Burn, 1.3km south-south-east of Butterhope Glen. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
N26
|
