BGS mineralogy and petrology collection record

Sample number E25414; COLLNORH48;
Sample Donor Hoare,R.H.
Rock name Tuff. 'Original entry: Crystal Tuff'
Stratigraphy Not entered
Comments Associated with Tuffs
Locality details 170 yds. at 150o from Trecastell Farm; 750 yds. at 47o from St. Celynin's Church
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 763 745
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, E25414

Plane Polarized, E25414

Plane Polarized, E25414