BGS mineralogy and petrology collection record

Sample number E336
Sample Donor Ward, J.C.
Rock name Tonalite. 'Original entry: Quartz Diorite'
Stratigraphy Not entered
Comments Not entered
Locality details SW side of Moel Hafod Owen
50k map sheet Harlech (135)

View images in GeoScenic related to 'Harlech'

View a geological map near 'Harlech'

Map reference
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, E336

Plane Polarized, E336

Plane Polarized, E336