BGS mineralogy and petrology collection record

Sample number E41909; COLLNOMH555;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Coarse dolerite
Locality details 300 m SW of Penygadair Summit
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7362 6925
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


E41909

Cross Polarized, E41909

Plane Polarized, E41909

Plane Polarized, E41909