BGS mineralogy and petrology collection record

Sample number	E572; MR740;
Sample Donor	Not entered
Rock name	'Original entry: Diabase'
Stratigraphy	Not entered
Comments	Rocks intrusive into Arenig and Llandeilo of N Wales. 227/41, B/33.
Locality details	Bryn-Prydydd, 4 mi N of Dolgelly [Dolgellau], Merionethshire
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 742 229
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.