BGS mineralogy and petrology collection record

Sample number E14905; COLLNO814;
Sample Donor Greenly,E.
Rock name Not entered
Stratigraphy Not entered
Comments Cross Foliation in Holyhead Quartzite
Locality details Rhoscolyn, cliff NW.of Borth-Saint
50k map sheet Caernarfon (105)

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Map reference SH 258 760
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


E14905

Cross Polarized, E14905

Plane Polarized, E14905

Plane Polarized, E14905