BGS mineralogy and petrology collection record

Sample number E7258; COLLNO285;
Sample Donor Thomas, Dr.
Rock name 'Original entry: Epidotised Tuff Or Porphyry'
Stratigraphy Not entered
Comments Not entered
Locality details 4. E. of Brandy Brook, N. of Gig-nog Ford.
50k map sheet St. Davids (209)

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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


E7258

Cross Polarized, E7258

Plane Polarized, E7258

Plane Polarized, E7258