BGS mineralogy and petrology collection record

Sample number E405
Sample Donor Geikie,A.
Rock name 'Original entry: Gritty Chloritic Tuff'
Stratigraphy Not entered
Comments Not entered
Locality details Porth Clais
50k map sheet St. Davids (209)

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Map reference SM 742 240
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


E405

Cross Polarized, E405

Plane Polarized, E405

Plane Polarized, E405