BGS mineralogy and petrology collection record

Sample number	E8369; MR8023;
Sample Donor	Reynolds, Professor
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Prehnite with zeolite
Locality details	Clogwyn Back Farm Qry. Pwllheli
50k map sheet	Pwllheli (134) View images in GeoScenic related to 'Pwllheli' View a geological map near 'Pwllheli'
Map reference	SH 387 371
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.