BGS mineralogy and petrology collection record

Sample number	E40337; COLLNOCE237;
Sample Donor	Evans,C.D.R.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Vesicular brecciated base lava
Locality details	2200 ft, 60 deg E of N of Ol Levelin Cwm By Chan
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6886 6589
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.