BGS mineralogy and petrology collection record

Sample number E51681; E51681/A; E51681/B; COLLNOLB490;
Sample Donor Jackson,A.A
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Tuff
Locality details 1720 m 17 deg from Wenallt
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

View the geology near 'Bala'

Map reference SH 8212 2474
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


E51681/A

Cross Polarized, E51681/A

Plane Polarized, E51681/A

Plane Polarized, E51681/A


E51681/B

Cross Polarized, E51681/B

Plane Polarized, E51681/B

Plane Polarized, E51681/B