BGS mineralogy and petrology collection record

Sample number E9469
Sample Donor Not entered
Rock name Tuff. 'Original entry: Volcanic Tuff.'
Stratigraphy Not entered
Comments From boulder clay erratics, probably from Bala volcanic series of North Wales.
Locality details Barnhurst Group, Wolverhampton.
50k map sheet Wolverhampton (153)

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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


E9469

Cross Polarized, E9469

Plane Polarized, E9469

Plane Polarized, E9469