The BGS Lexicon of Named Rock Units — Result Details

Glen Kyllachy Pluton

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 (-2829)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  Section in part of Glen Kyllachy [at base of ravine]. 
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(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