BGS mineralogy and petrology collection record

Sample number E49405; COLLNORN74;
Sample Donor Reedman,A.J.
Rock name Not entered
Stratigraphy Not entered
Comments Heterolithic acid tuff
Locality details 200 m W of Summit of Foel Grach
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 6873 6592
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E49405

Cross Polarized, E49405

Plane Polarized, E49405

Plane Polarized, E49405