BGS mineralogy and petrology collection record

Sample number	E14415; COLLNOLP236;
Sample Donor	Matley, C.A
Rock name	'Original entry: Albitised And Silcified Basalt'
Stratigraphy	Not entered
Comments	? Thick spilitic lava (prismatic)
Locality details	Castell Caeron, Bryncroes
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.