BGS mineralogy and petrology collection record

Sample number E613; E613/A;
Sample Donor Rutley,F.
Rock name 'Original entry: Devitrified Banded Obsidian'
Stratigraphy Not entered
Comments Not entered
Locality details Skomer Island.
50k map sheet Milford (227)

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Map reference SM 72 09
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


E613

Cross Polarized, E613

Plane Polarized, E613

Plane Polarized, E613


E613/A

Cross Polarized, E613/A

Plane Polarized, E613/A

Plane Polarized, E613/A