Computer Code: |
KSI |
Preferred Map Code: |
notEntered |
Status Code: |
Full |
Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
Lithological Description: |
Thinly interlaminated silt, sandy silt and plastic clay with dropstones and lenses of diamicton; becoming coarser-grained upwards. |
Definition of Lower Boundary: |
Sharp, gently undulating erosion surface on Red Craig Gravels Formation below. |
Definition of Upper Boundary: |
Sharp, planar, associated with glacitectonic shearing at base of overlying (unnamed) till. |
Thickness: |
6.5m |
Geographical Limits: |
Confined to Rosemarkie Glen, Rosemarkie, Black Isle. |
Parent Unit: |
Inverness Glacigenic Subgroup (INVG)
|
Previous Name(s): |
Kincurdie Silts Formation [Obsolete Name and Code: Use KSI]
(-4739)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Rosemarkie Glen, a deep glacial meltwater channel extending northwestwards from Rosemarkie. |
Type Section |
Cliff immediately to the north of Rosemarkie Village. Section occurs halfway up the cliff. |
Reference(s): |
Fletcher, T P et al. 1996. Geology of the Fortrose and eastern Inverness district. Memoir of the British Geological Survey, Sheet 84W (Scotland). |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S084
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