BGS mineralogy and petrology collection record

Sample number E4868; COLLNO231;
Sample Donor Cantrill, T.C.
Rock name 'Original entry: Ophitic Diabase'
Stratigraphy Not entered
Comments Boulder clay erratics.
Locality details 3. Small block at spring, 350 Yds. WNW. of Trewern-fach, 2 miles WNW. of Whiteland.
50k map sheet Haverfordwest (228)

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Map reference SN 168 179
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


E4868

Cross Polarized, E4868

Plane Polarized, E4868

Plane Polarized, E4868