BGS mineralogy and petrology collection record

Sample number E10661; COLLNO62;
Sample Donor Blake,J.F.
Rock name Not entered
Stratigraphy Not entered
Comments Mona Complex. S.Stack series Lleyn division
Locality details Porth-y-Crug [Grug]
50k map sheet South Stack (92)

View images in GeoScenic related to 'South Stack'

View a geological map near 'South Stack'

Map reference SH 218 811
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, E10661

Plane Polarized, E10661

Plane Polarized, E10661