BGS mineralogy and petrology collection record

Sample number E16622; COLLNOA189;
Sample Donor Reynolds, Professor
Rock name Rhyolite. 'Original entry: Micropaciletic Rhyolite'
Stratigraphy Not entered
Comments Purchased Prof. Reynolds
Locality details Mynydd Gader, SE end.
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SH 73 17
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


Cross Polarized, E16622

Plane Polarized, E16622

Plane Polarized, E16622