BGS mineralogy and petrology collection record

Sample number E67015; COLLNOWPR471;
Sample Donor Pratt, W.
Rock name 'Original entry: Mudstone'
Stratigraphy Not entered
Comments Ty'r Gawen Formation; disturbed Mst.
Locality details 110 m due N of Dysefin (Uchaf)
50k map sheet Barmouth (149)

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Map reference SH 6454 0801
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


E67015

Cross Polarized, E67015

Plane Polarized, E67015

Plane Polarized, E67015