BGS mineralogy and petrology collection record

Sample number E45892; COLLNOLA276;
Sample Donor Allen,P.M.
Rock name 'Original entry: Diorite'
Stratigraphy Not entered
Comments Diorite
Locality details 120 yds 258 deg of Bryn Roda
50k map sheet Harlech (135)

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Map reference SH 7125 1797
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


E45892

Cross Polarized, E45892

Plane Polarized, E45892

Plane Polarized, E45892