BGS mineralogy and petrology collection record

Sample number E52246; E52246/A; E52246/B; E52246/C; COLLNOLA648;
Sample Donor Allen,P.M.
Rock name 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Intrusive rhyolite
Locality details 350 yds 197 deg from Doldeuli
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

View the geology near 'Bala'

Map reference SH 8261 2338
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


E52246/A

Cross Polarized, E52246/A

Plane Polarized, E52246/A

Plane Polarized, E52246/A


E52246/B

Cross Polarized, E52246/B

Plane Polarized, E52246/B

Plane Polarized, E52246/B


E52246/C

Cross Polarized, E52246/C

Plane Polarized, E52246/C

Plane Polarized, E52246/C