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: |
Partial Type Section |
Glenga Burn, 1.3km south-south-east of Butterhope Glen. |
Type Area |
Glenga and Stroanbrack Townlands, County Londonderry. |
Partial Type Section |
South end of Butterslope Glen. |
Reference(s): |
none recorded or not applicable |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
N26
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