BGS mineralogy and petrology collection record

Sample number E13200
Sample Donor Smith, B.
Rock name 'Original entry: Autobrecciated Keratophyre'
Stratigraphy Not entered
Comments Not entered
Locality details Higher part of cliff, 450 yds NE of Bryn Uchaf
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


E13200

Cross Polarized, E13200

Plane Polarized, E13200

Plane Polarized, E13200