BGS mineralogy and petrology collection record

Sample number E63010; COLLNOKB10;
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=Fine-grained
Locality details 100m NE of Drosgl summit
50k map sheet Bangor (106)

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Map reference SH 6639 6806
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


E63010

Cross Polarized, E63010

Plane Polarized, E63010

Plane Polarized, E63010