BGS mineralogy and petrology collection record

Sample number E18036; COLLNOM167;
Sample Donor Matley, C.A
Rock name 'Original entry: Sericitic Pebbly Grit'
Stratigraphy Not entered
Comments Finely banded feldspathic Sst.
Locality details River exposure, E of Pont y Grible
50k map sheet Harlech (135)

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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


E18036

Cross Polarized, E18036

Plane Polarized, E18036

Plane Polarized, E18036