BGS mineralogy and petrology collection record

Sample number	S42053; COLLNOXN1254;
Sample Donor	Wright,J.E.
Rock name	'Original entry: ?Porphyrite Or Microdiorite From 7ft. N-S Dyke Cutting Quartz-Mica Schist'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Lednock - Earn HE scheme. Allt Coire Bheilg - Glen Almond tunnel. 3300 ft from outfall portal
50k map sheet	Crieff (47) View images in GeoScenic related to 'Crieff' View the geology near 'Crieff'
Map reference	NN 7681 3352
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.