BGS mineralogy and petrology collection record

Sample number	E32906; COLLNOAM105;
Sample Donor	Mills,D.A.C.
Rock name	'Original entry: Volcanic Rock'
Stratigraphy	Not entered
Comments	Feldspar rich porphyritic lava.
Locality details	Exposures from quarry (now flooded) in steep bluff, 230 Yds. S. by W. of Penbryn Mawr Farm.
50k map sheet	Corwen (120) View images in GeoScenic related to 'Corwen' View the geology near 'Corwen'
Map reference	SH 8578 4036
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.