Computer Code: |
BUDQ |
Preferred Map Code: |
notEntered |
Status Code: |
Pending Upgrade |
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)
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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
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