BGS mineralogy and petrology collection record

Sample number E67029; COLLNOWPR3355;
Sample Donor Pratt, W.
Rock name 'Original entry: Mudstone'
Stratigraphy Not entered
Comments Ty'r Gawen Formation. Hornfelsed Mst.
Locality details 550 m at 046 deg from Ty Mawr
50k map sheet Barmouth (149)

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Map reference SH 6042 0637
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


E67029

Cross Polarized, E67029

Plane Polarized, E67029

Plane Polarized, E67029