BGS mineralogy and petrology collection record

Sample number E462
Sample Donor Geikie,A.
Rock name 'Original entry: Sheared Quartz Porphyry'
Stratigraphy Not entered
Comments Squirt of quartz porphyry in shale.
Locality details Below Nuns Chapel, 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


E462

Cross Polarized, E462

Plane Polarized, E462

Plane Polarized, E462