BGS mineralogy and petrology collection record

Sample number E39753; COLLNOMH435;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Dolerite
Locality details Afon Crafnant Nant Cwmannog
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7617 6230
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


E39753

Cross Polarized, E39753

Plane Polarized, E39753

Plane Polarized, E39753