BGS mineralogy and petrology collection record

Sample number E52271; COLLNOLB523;
Sample Donor Jackson,A.A
Rock name 'Original entry: Agglomerate Tuffite'
Stratigraphy Not entered
Comments Boulder in agglomeratic acid tuffite
Locality details 1250 m 296 deg from Pant Gwyn
50k map sheet Bala (136)

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Map reference SH 8381 2739
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


E52271

Cross Polarized, E52271

Plane Polarized, E52271

Plane Polarized, E52271