BGS mineralogy and petrology collection record

Sample number E21387; COLLNORP349;
Sample Donor Pocock,R.W.
Rock name 'Original entry: Amygdaloidal Albite Basalt'
Stratigraphy Not entered
Comments VESICULAR LAVA SILURIAN
Locality details 40YDS S OF THE OLD MILL MIDDLE MILL
50k map sheet Malmesbury (251)

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Map reference ST 694 951
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


E21387

Cross Polarized, E21387

Plane Polarized, E21387

Plane Polarized, E21387