BGS mineralogy and petrology collection record

Sample number E13121
Sample Donor Wedd, C.B.
Rock name 'Original entry: Keratophyre Or Bostonite'
Stratigraphy Not entered
Comments Bedded rock with definite dip to NW, upper part weathered, ? ash flow
Locality details Llandu Qry. 1 1/4 ml NNW of Llanymyneck
50k map sheet Oswestry (137)

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Map reference SJ 257 231
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


E13121

Cross Polarized, E13121

Plane Polarized, E13121

Plane Polarized, E13121