BGS mineralogy and petrology collection record

Sample number E13916
Sample Donor Part,G.W.
Rock name Trachytic-Rock. 'Original entry: Keratophyre'
Stratigraphy Not entered
Comments Small boss on Southern flank at (bottom).
Locality details Cnwc-y-felin, 2/3 mile WNW. of Rosebush.
50k map sheet Fishguard (210)

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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


Cross Polarized, E13916

Plane Polarized, E13916

Plane Polarized, E13916