BGS mineralogy and petrology collection record

Sample number	E7627; COLLNOA28;
Sample Donor	Reynolds, Professor
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Diabase'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Ty Mawr, Rhiw
50k map sheet	Pwllheli (134) View images in GeoScenic related to 'Pwllheli' View a geological map near 'Pwllheli'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.