BGS mineralogy and petrology collection record

Sample number E10750; COLLNO151;
Sample Donor Blake,Professor
Rock name 'Original entry: Mica Schist'
Stratigraphy Not entered
Comments Mona Complex. Pen-Zone. White & green micas. Alkali feldspar. Highly crystalline.
Locality details Mainline rwy cutting, S.of Holland Arms
50k map sheet Caernarfon (105)

View images in GeoScenic related to 'Caernarfon'

View the geology near 'Caernarfon'

Map reference SH 471 725
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


E10750

Cross Polarized, E10750

Plane Polarized, E10750

Plane Polarized, E10750