BGS mineralogy and petrology collection record

Sample number E587; MR725;
Sample Donor Not entered
Rock name 'Original entry: Andesitic Lava'
Stratigraphy Not entered
Comments 257/41, B/63
Locality details E side of Y Graig, about 8 mi S of Bala, Merionethshire
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

View the geology near 'Bala'

Map reference SH 93 23
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


E587

Cross Polarized, E587

Plane Polarized, E587

Plane Polarized, E587