BGS mineralogy and petrology collection record

Sample number	E40813; COLLNOKS343;
Sample Donor	Siddiqui,K.S.
Rock name	'Original entry: Volcanic Rock'
Stratigraphy	Not entered
Comments	Igneous intrusion (? Porphyritic)
Locality details	660 m 298 deg from Caenernog
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7097 2103
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.