BGS mineralogy and petrology collection record

Sample number	E50181; COLLNONGB312;
Sample Donor	Berridge,N.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	?Weathered diorite/microdiorite of main Drosgyl mass
Locality details	2240 m 291 deg from Llyn Anafon Spillway
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6774 7068
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.