BGS mineralogy and petrology collection record

Sample number E44787; COLLNOMH548;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Microdiorite
Locality details South of Llyn Bochlwyd
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 6564 5777
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


E44787

Cross Polarized, E44787

Plane Polarized, E44787

Plane Polarized, E44787