BGS mineralogy and petrology collection record

Sample number E41910; COLLNOMH556;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Hyaloclastite
Locality details 10 m W of Penygadair Summit
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

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Map reference SH 7392 6938
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


E41910

Cross Polarized, E41910

Plane Polarized, E41910

Plane Polarized, E41910