BGS mineralogy and petrology collection record

Sample number E383
Sample Donor Geikie,A.
Rock name 'Original entry: Silicified And Chloritised Tuff'
Stratigraphy Not entered
Comments N. of quartz porphyry.
Locality details Boarding School, St. Davids.
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


E383

Cross Polarized, E383

Plane Polarized, E383

Plane Polarized, E383