BGS mineralogy and petrology collection record

Sample number E39610; COLLNOMH339;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Lower Crafnant tuff units forming good positive features in sequence of tuffs and sediments
Locality details 1/6 ml SSE of Cae Gwyn, 121 ft above base
50k map sheet Bangor (106)

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View a geological map near 'Bangor'

Map reference SH 7617 5810
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


E39610

Cross Polarized, E39610

Plane Polarized, E39610

Plane Polarized, E39610