BGS mineralogy and petrology collection record

Sample number E8893; COLLNO403;
Sample Donor Blake,Professor
Rock name Felsite. 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Not entered
Locality details Church Quarry, 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


E8893

Cross Polarized, E8893

Plane Polarized, E8893

Plane Polarized, E8893