BGS mineralogy and petrology collection record

Sample number	E38125; MR31826; COLLNO24;
Sample Donor	Gritstone Project
Rock name	Wacke. 'Original entry: Greywacke'
Stratigraphy	Not entered
Comments	Coarse sandstone (Wenlock/Ludlow) Silurian. Used as part of 1970's Roadstone Project
Locality details	Wernddu Upper Quarry, 3 miles NNW. of Corwen.
50k map sheet	Corwen (120) View images in GeoScenic related to 'Corwen' View a geological map near 'Corwen'
Map reference	SJ 064 482
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.