BGS mineralogy and petrology collection record

Sample number E15450; E15450/A; E15450/B;
Sample Donor Greenly,E.
Rock name Not entered
Stratigraphy Not entered
Comments Grit Ordovician
Locality details Tai-hirion
50k map sheet Caernarfon (105)

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Map reference SH 456 704
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


E15450

Cross Polarized, E15450

Plane Polarized, E15450

Plane Polarized, E15450


E15450/A

Cross Polarized, E15450/A

Plane Polarized, E15450/A

Plane Polarized, E15450/A


E15450/B

Cross Polarized, E15450/B

Plane Polarized, E15450/B

Plane Polarized, E15450/B