Computer Code: |
KWG |
Preferred Map Code: |
KWGF |
Status Code: |
Full |
Age range: |
Ediacaran Period (AD)
— Comley Series (EC) |
Lithological Description: |
Arenite, cream to buff, pale grey when fresh, coarse-grained locally gritty; interbedded with siltstone, black graphitic slate, pale grey-green to buff shales, locally calcareous, and thin pale to dark grey limestones. |
Definition of Lower Boundary: |
Outgoing of coarse, chloritic and feldspathic gritty arenites and wackes and incoming of quartzose arenite (at top of Ben Ledi Grit Formation). |
Definition of Upper Boundary: |
Top not seen |
Thickness: |
c.1000m |
Geographical Limits: |
Between the northern shore of Loch Venachar, Perthshire, Scotland, and the area around the Keltie Water, north-east of Callander, Perthshire, thence northeast to Comrie. |
Parent Unit: |
Southern Highland Group (SOHI)
|
Previous Name(s): |
Leny Grit (in part) [Obsolete Name and Code: Use KWG]
(-3506)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Across-strike river section, Keltie Water, near Callander, Perthshire. |
Reference(s): |
Tanner, P W G, 1995. New evidence that the Lower Cambrian Leny Limestone at Callander, Perthshire, belongs to the Dalradian Supergroup, and a reassessment of the 'exotic' status of the Highland Border Complex. Geological Magazine, Vol.132, 473-483. |
Stone, M, 1957. The Aberfoyle Anticline, Perthshire, Geological Magazine, Vol.94, 265-276). |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S038
S039
|