Computer Code: |
GNKY |
Preferred Map Code: |
KY |
Status Code: |
Pending Upgrade |
Age range: |
Ordovician Period (O)
— Ordovician Period (O) |
Lithological Description: |
Weakly foliated granite, granodiorite and tonalite, pale cream, medium- to coarse-grained. |
Definition of Lower Boundary: |
N/A |
Definition of Upper Boundary: |
N/A |
Thickness: |
none recorded or not applicable
|
Geographical Limits: |
Central Highlands, Glen Kyllachy Forest. Mainly in limited ovoid area some 4km x 2km centred on Glen Kyllachy. |
Parent Unit: |
Scottish Highland Ordovician Minor Intrusion Suite (HOMI)
|
Previous Name(s): |
Glen Kyllachy Granite [Obsolete Name and Code: Use GNKY]
(-2829)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Scattered outcrops at NW end of Glen Kyllachy either side of track. Contact zone of fine-grained and porphyritic facies with schlieren of local metasedimentary rocks. |
Reference Section |
Section in part of Glen Kyllachy [at base of ravine]. |
Reference(s): |
Smith, M,1995. Geology of the area between Strathmain and Glen Mazeran, Tomatin district. 1:10000 sheets 62NE and 62SE, British Geological Survey Technical Report WA/95/44. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S074
|