| Computer Code: |
DUPH |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
Chlorite-chloritoid phyllite containing a few thin bands of quartzite. Kyanite occurs in quartz segregations and staurolite in metamorphic aureoles. |
| Definition of Lower Boundary: |
Drawn at base of pelitic wacke interpreted to belong to the Dunrossness Phyllitic (Formation) where it rests conformably on pelite and semi-pelite interpreted to belong to the Clift Hills Phyllitic (Formation). |
| Definition of Upper Boundary: |
Drawn at conformable upward passage from pelitic wacke interpreteted to belong to the Dunrossness Phyllitic (Formation), to meta-spilite of the Dunrossness Spilitic Formation. |
| Thickness: |
750 m approx. |
| Geographical Limits: |
Shetlands, Scotland. |
| Parent Unit: |
Clift Hills 'Division' (DCF)
|
| Previous Name(s): |
Dunrossness Phyllitic Formation [Obsolete Code: Use DUPH]
(DBDP)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Wick of Shunni, Shetland, Scotland. |
| Reference(s): |
| Flinn, D, and others, 1972. A revision of the stratigraphic succession of the East Mainland of Shetland. Scottish Journal of Geology, Vol.8, p. 335-343. |
| Harris, A L and others, 1973. A correlation of the Pre-Cambrian rocks in the British Isles. Geological Society of London Special Report No 6. |
| 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: |
|
S126
|
