BGS mineralogy and petrology collection record

Sample number E63090; COLLNOKB90;
Sample Donor Not entered
Rock name Metadiorite. 'Original entry: Quartz Microdiorite'
Stratigraphy Not entered
Comments Pen Maen Mawr satellite intrusion(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details Hill S of Carreg Fawr
50k map sheet Bangor (106)

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Map reference SH 6880 7240
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


E63090

Cross Polarized, E63090

Plane Polarized, E63090

Plane Polarized, E63090