BGS mineralogy and petrology collection record

Sample number E67044; COLLNOWPR439;
Sample Donor Pratt, W.
Rock name 'Original entry: Siltstone'
Stratigraphy Not entered
Comments Craig Cau Formation. Siltstone
Locality details 620 m at 264 deg from Dysefin (Uchaf)
50k map sheet Barmouth (149)

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View the geology near 'Barmouth'

Map reference SH 6391 0783
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


E67044

Cross Polarized, E67044

Plane Polarized, E67044

Plane Polarized, E67044