BGS mineralogy and petrology collection record

Sample number E4034
Sample Donor Strahan, A.
Rock name 'Original entry: Ophitic Dolerite'
Stratigraphy Not entered
Comments Drift boulder.
Locality details Caswell Bay. (From floor of Caswell overthrust).
50k map sheet Swansea (247)

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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


E4034

Cross Polarized, E4034

Plane Polarized, E4034

Plane Polarized, E4034