BGS mineralogy and petrology collection record

Sample number E13191
Sample Donor Smith, B.
Rock name Trachytic-Rock. 'Original entry: Keratophyre'
Stratigraphy Not entered
Comments Not entered
Locality details The Crag, across stream, 150 yds N of Glascoed Fach
50k map sheet Oswestry (137)

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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, E13191

Plane Polarized, E13191

Plane Polarized, E13191