BGS mineralogy and petrology collection record

Sample number	E40104; COLLNOCE215;
Sample Donor	Evans,C.D.R.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Llyn Eigiau Dolerite
Locality details	2500 ft 240 deg E of N of Talyllyn, Llyn Eigiau
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7154 6566
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.