BGS mineralogy and petrology collection record

Sample number E15459; E15459/A; E15459/B;
Sample Donor Greenly,E.
Rock name Not entered
Stratigraphy Not entered
Comments Grit Ordovician
Locality details Glan Morfa Bed No.25
50k map sheet Caernarfon (105)

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Map reference SH 461 712
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


E15459

Cross Polarized, E15459

Plane Polarized, E15459

Plane Polarized, E15459


E15459/A

Cross Polarized, E15459/A

Plane Polarized, E15459/A

Plane Polarized, E15459/A


E15459/B

Cross Polarized, E15459/B

Plane Polarized, E15459/B

Plane Polarized, E15459/B