| Computer Code: |
DBHP |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
[Obsolete: use CLHI] Colour banded semi-pelitic phyllite with intercalations of quartzite. Laminated phyllites contain muscovite and some are graphitic. Thick units of coarse, feldspathic grit occur. |
| Definition of Lower Boundary: |
Drawn at base of pelite and semi-pelite of the Clift Hills Phyllitic Group where it rests conformably on meta-spilite of the Asta Spilitic Group. |
| Definition of Upper Boundary: |
Drawn at conformable upward passage from semi-pelite and pelite of the Clift Hills Phyllitic Group to pelitic wacke of the Dunrossness Phyllitic Group. |
| Thickness: |
2300m approx. |
| Geographical Limits: |
Shetlands, Scotland. |
| Parent Unit: |
none recorded or not applicable
|
| Previous Name(s): |
Clift Hills Phyllite
(-847)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Clift Hills, Shetland, Scotland. |
| Reference(s): |
| Mykura W, 1976 British Regional Geology: Orkney and Shetland (HMSO, Edinburgh).] |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
