BGS mineralogy and petrology collection record

Sample number E8466; COLLNO127;
Sample Donor Calloway, G.A.
Rock name 'Original entry: Conglomerate'
Stratigraphy Not entered
Comments See Mem.Geol.of Anglesey c.f.p.440-2:fig.202. Ordovician. Arenig. [Tywyn Ridge is crossed out on loose sheet with samples] Remarks as for E.8455.
Locality details West shore of Llyn Traphwll
50k map sheet Holyhead (93)

View images in GeoScenic related to 'Holyhead'

View the geology near 'Holyhead'

Map reference SH 321 770
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


E8466

Cross Polarized, E8466

Plane Polarized, E8466

Plane Polarized, E8466