BGS mineralogy and petrology collection record

Sample number E16173; COLLNO12;
Sample Donor Matley, C.A
Rock name 'Original entry: Feldspathic Calcareous Sandstone'
Stratigraphy Not entered
Comments Lower level than M11, ? Ash
Locality details Waterfall Section, Pont Llyn y Cefn
50k map sheet Harlech (135)

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Map reference SH 708 289
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


E16173

Cross Polarized, E16173

Plane Polarized, E16173

Plane Polarized, E16173