BGS mineralogy and petrology collection record

Sample number E11348
Sample Donor Smith, B.
Rock name Trachytic-Rock. 'Original entry: Keratophyre'
Stratigraphy Not entered
Comments Intrusion
Locality details Quarry at Graig Wen, c 1.5 ml SE of Llansilin
50k map sheet Oswestry (137)

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View a geological map near 'Oswestry'

Map reference SJ 225 272
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, E11348

Plane Polarized, E11348

Plane Polarized, E11348