BGS mineralogy and petrology collection record

Sample number E46326; COLLNOBP28;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Diorite'
Stratigraphy Not entered
Comments Epidotised diorite intrusion in Ffestiniog Flags
Locality details Small crag, 1570 m at 314 deg from Twr y Maen
50k map sheet Harlech (135)

View images in GeoScenic related to 'Harlech'

View the geology near 'Harlech'

Map reference SH 7804 3208
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


E46326

Cross Polarized, E46326

Plane Polarized, E46326

Plane Polarized, E46326