BGS mineralogy and petrology collection record

Sample number	E18048; COLLNOM179;
Sample Donor	Matley, C.A
Rock name	'Original entry: Banded Siltstone'
Stratigraphy	Not entered
Comments	Rhinog fine Grit
Locality details	Llanfair, Nr. Pen y Allt Wood
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.