BGS mineralogy and petrology collection record

Sample number E11434
Sample Donor Reynolds, Professor
Rock name Monchiquite. 'Original entry: Monchiquite'
Stratigraphy Not entered
Comments Not entered
Locality details 5 miles SE. of Usk.
50k map sheet Chepstow (250)

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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


E11434

Cross Polarized, E11434

Plane Polarized, E11434

Plane Polarized, E11434