BGS mineralogy and petrology collection record

Sample number	S94054; COLLNOPY16;
Sample Donor	Auton,C.A.
Rock name	Porphyry. 'Original entry: Felsite'
Stratigraphy	Not entered
Comments	Medium grained porphyritic felsite with subhedral feldspar and corroded quartz phenocrysts up to 5mm, Caledonian (Siluro-Devonian)
Locality details	Elfhill Burn
50k map sheet	Banchory (66E) View images in GeoScenic related to 'Banchory' View the geology near 'Banchory'
Map reference	NO 7931 8536
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.