BGS mineralogy and petrology collection record

Sample number	E40811; COLLNOKS341;
Sample Donor	Siddiqui,K.S.
Rock name	'Original entry: Volcanic Rock'
Stratigraphy	Not entered
Comments	Igneous intrusion (? Porphyritic)
Locality details	420 m 250 deg from Caenernog
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7098 2137
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.