BGS mineralogy and petrology collection record

Sample number	E38124; MR31825;
Sample Donor	Gritstone Project
Rock name	'Original entry: Schistose Feldspathic Greywacke'
Stratigraphy	Not entered
Comments	Coarse to Med. Sst. (Rhinog Grit) L. Cambrian Used as part of 1970's Roadstone Project
Locality details	Road section (A487) at Cae Gwyn. 4 ml S of Trwsfynydd
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 714 298
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.