BGS mineralogy and petrology collection record

Sample number E67010; COLLNOWPRFF3;
Sample Donor Pratt, W.
Rock name 'Original entry: Mudstone'
Stratigraphy Not entered
Comments Ceisuyn Formation; Siltstone/Mst.
Locality details 1200 m at 108 deg from Triangulation Station on Waun Aer
50k map sheet Barmouth (149)

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View the geology near 'Barmouth'

Map reference SH 7971 1443
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


E67010

Cross Polarized, E67010

Plane Polarized, E67010

Plane Polarized, E67010