BGS mineralogy and petrology collection record

Sample number E10743; COLLNO144;
Sample Donor Blake,Professor
Rock name 'Original entry: Mica Schist'
Stratigraphy Not entered
Comments Mona Complex. Pen-Zone. See Mem.Geol.of Anglesey.p.369. Green & white micas
Locality details S.of Hafotty
50k map sheet Caernarfon (105)

View images in GeoScenic related to 'Caernarfon'

View the geology near 'Caernarfon'

Map reference SH 416 649
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


E10743

Cross Polarized, E10743

Plane Polarized, E10743

Plane Polarized, E10743