BGS mineralogy and petrology collection record

Sample number E373; E373/A; E373/B;
Sample Donor Geikie,A.
Rock name 'Original entry: Purple Shale'
Stratigraphy Not entered
Comments Not entered
Locality details Side of road, 30 Yds. N. of 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


E373

Cross Polarized, E373

Plane Polarized, E373

Plane Polarized, E373


E373/A

Cross Polarized, E373/A

Plane Polarized, E373/A

Plane Polarized, E373/A


E373/B

Cross Polarized, E373/B

Plane Polarized, E373/B

Plane Polarized, E373/B