BGS mineralogy and petrology collection record

Sample number E63016; COLLNOKB16;
Sample Donor Not entered
Rock name Microgranodiorite. 'Original entry: Microgranodiorite'
Stratigraphy Not entered
Comments Intrusion in Nant Ffrancon Fm., Drosgl pluton(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details Afon Rhaeadr Bach
50k map sheet Bangor (106)

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Map reference SH 6675 6888
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


E63016

Cross Polarized, E63016

Plane Polarized, E63016

Plane Polarized, E63016