BGS mineralogy and petrology collection record

Sample number E9171; COLLNO2;
Sample Donor Greenly,E.
Rock name 'Original entry: Halleflinta Type In Mica Schist'
Stratigraphy Not entered
Comments See Mem.Geol.of Anglesey.p.?
Locality details Knob, end nearest Farm, S.of the little "g" Grai"g" Fawr.
50k map sheet Caernarfon (105)

View images in GeoScenic related to 'Caernarfon'

View the geology near 'Caernarfon'

Map reference SH 479 726
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


E9171

Cross Polarized, E9171

Plane Polarized, E9171

Plane Polarized, E9171