BGS mineralogy and petrology collection record

Sample number E18048; COLLNOM179;
Sample Donor Matley, C.A
Rock name 'Original entry: Banded Siltstone'
Stratigraphy Not entered
Comments Rhinog fine Grit
Locality details Llanfair, Nr. Pen y Allt Wood
50k map sheet Harlech (135)

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Map reference
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


E18048

Cross Polarized, E18048

Plane Polarized, E18048

Plane Polarized, E18048