BGS mineralogy and petrology collection record

Sample number	E59357; COLLNORJM390;
Sample Donor	Merriman,R.J.
Rock name	'Original entry: Microdiorite'
Stratigraphy	Not entered
Comments	Quartz - cpx - Microdiorite
Locality details	Y Eifl Qry. Trefor, Llyn
50k map sheet	Nefyn (118) View images in GeoScenic related to 'Nefyn' View the geology near 'Nefyn'
Map reference	SH 363 458
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions