BGS mineralogy and petrology collection record

Sample number E22646; COLLNO1;
Sample Donor Robson
Rock name Tuff. 'Original entry: Tuff'
Stratigraphy Not entered
Comments Volcanic tuff, upper contact.
Locality details Tresallyn, St. Merryn.
50k map sheet Trevose Head (335)

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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


Cross Polarized, E22646

Plane Polarized, E22646

Plane Polarized, E22646