BGS mineralogy and petrology collection record

Sample number E444
Sample Donor Geikie,A.
Rock name 'Original entry: Thoroughly Decomposed And Chloritised Basalt'
Stratigraphy Not entered
Comments Dyke in porphyry.
Locality details Cave below Nuns Chapel, 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


E444

Cross Polarized, E444

Plane Polarized, E444

Plane Polarized, E444