| Computer Code: |
BUDQ |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
A white to grey quartzite, locally feldspathic. Pebbly beds with clasts up to several centimetres across, are rare. Cross-lamination is only preserved in areas of low strain. |
| Definition of Lower Boundary: |
First occurance of white to grey quartzite feldspathic quartzite above banded to laminated psammite. |
| Definition of Upper Boundary: |
Change from grey to white quartzite upwards to pelite and semipelite of the Leven Schist Formation. |
| Thickness: |
Variable, ranges from c.100 to 20m, depending on the structural setting. |
| Geographical Limits: |
Crianlarich Sheet 46W (Scotland) |
| Parent Unit: |
Lochaber Subgroup (DALO)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S046
|
