BGS mineralogy and petrology collection record

Sample number E48433; E48433/A; E48433/B; COLLNOLB404;
Sample Donor Jackson,A.A
Rock name 'Original entry: Breccia Clasts'
Stratigraphy Not entered
Comments Clasts within rhyolite breccia or tuff
Locality details 640 m 052 deg from Howel Sele Lodge
50k map sheet Harlech (135)

View images in GeoScenic related to 'Harlech'

View the geology near 'Harlech'

Map reference SH 7499 2059
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


E48433/A

Cross Polarized, E48433/A

Plane Polarized, E48433/A

Plane Polarized, E48433/A


E48433/B

Cross Polarized, E48433/B

Plane Polarized, E48433/B

Plane Polarized, E48433/B