BGS mineralogy and petrology collection record

Sample number E4864; COLLNO227;
Sample Donor Cantrill, T.C.
Rock name 'Original entry: Ophitic Diabase'
Stratigraphy Not entered
Comments Boulder clay erratics.
Locality details 4. Gate post, 200 Yds. ENE. of Upper Fron, 1.5 miles ENE. of Llanddewi Velfrey.
50k map sheet Haverfordwest (228)

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Map reference SN 167 167
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


E4864

Cross Polarized, E4864

Plane Polarized, E4864

Plane Polarized, E4864