BGS mineralogy and petrology collection record

Sample number E15460; E15460/A; E15460/B;
Sample Donor Greenly,E.
Rock name Not entered
Stratigraphy Not entered
Comments Grit Ordovician
Locality details Berw-uchaf
50k map sheet Caernarfon (105)

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Map reference SH 464 713
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


E15460

Cross Polarized, E15460

Plane Polarized, E15460

Plane Polarized, E15460


E15460/A

Cross Polarized, E15460/A

Plane Polarized, E15460/A

Plane Polarized, E15460/A


E15460/B

Cross Polarized, E15460/B

Plane Polarized, E15460/B

Plane Polarized, E15460/B