BGS mineralogy and petrology collection record

Sample number E63497; E63497/A; E63497/B; E63497/C; COLLNOKB497;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite Composite'
Stratigraphy Not entered
Comments 1m thick within thick basalt intrusion see KB498(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details Rhyd Ddu-Llechog
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 5880 5370
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


E63497/A

Cross Polarized, E63497/A

Plane Polarized, E63497/A

Plane Polarized, E63497/A


E63497/B

Cross Polarized, E63497/B

Plane Polarized, E63497/B

Plane Polarized, E63497/B


E63497/C

Cross Polarized, E63497/C

Plane Polarized, E63497/C

Plane Polarized, E63497/C