BGS mineralogy and petrology collection record

Sample number E10933; COLLNO14;
Sample Donor Matley, C.A
Rock name 'Original entry: Grit-Schist Llanfechell Grit'
Stratigraphy Not entered
Comments see mem. Geology of Anglesey p 316 Quartz, Albite, Epidote, iron ore,etc Blastopsammitic fragments of acid Lava's and of old Schists Mona Complex Skerries Grit
Locality details S. of Groes-Fechan [Llanfechell Grit]
50k map sheet Holyhead (93)

View images in GeoScenic related to 'Holyhead'

View the geology near 'Holyhead'

Map reference SH 350 917
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


E10933

Cross Polarized, E10933

Plane Polarized, E10933

Plane Polarized, E10933