BGS mineralogy and petrology collection record

Sample number	E39063; COLLNORC971;
Sample Donor	Cave,R.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Ordovician, feldspathic, pebbly, dark Mst.
Locality details	470 yds SW of Drosgol, Nr. Ponterwyd
50k map sheet	Aberystwyth (163) View images in GeoScenic related to 'Aberystwyth' View a geological map near 'Aberystwyth'
Map reference	SN 7636 8811
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.