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 the geology near 'Pwllheli'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.