BGS mineralogy and petrology collection record

Sample number	S45974; COLLNOYB655;
Sample Donor	Lawrie,T.R.M.
Rock name	'Original entry: ?Porphyrite'
Stratigraphy	Not entered
Comments	ENE dyke, up to 30 ft wide, cutting granodiorite; ?porphyrite
Locality details	Allt na Criche, N branch, 100 yds upstream from junction with S branch and 1 mile 630 yds W 8 deg N of summit (2423 ft) of Beinn Mheadhoin
50k map sheet	Tobermory (52) View images in GeoScenic related to 'Tobermory' View the geology near 'Tobermory'
Map reference	NM 7776 5187
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.