BGS mineralogy and petrology collection record

Sample number E46000; E46000/A; E46000/B; COLLNOBS3;
Sample Donor Webb,B.C.
Rock name Not entered
Stratigraphy Not entered
Comments Purple, argillaceous slate
Locality details Uper level, Crimea Workings, Penrhyn Qry
50k map sheet Bangor (106)

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Map reference SH 6225 6455
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


E46000/A

Cross Polarized, E46000/A

Plane Polarized, E46000/A

Plane Polarized, E46000/A


E46000/B

Cross Polarized, E46000/B

Plane Polarized, E46000/B

Plane Polarized, E46000/B