BGS mineralogy and petrology collection record

Sample number E30765; COLLNOKC1142;
Sample Donor Chaperlin,K.; Sanderson,R.W.;
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments Clogwyn volcanic group.
Locality details Crags, S. of Clogwyn Melyn, 50 Yds. SE. of Clogwyn.
50k map sheet Nefyn (118)

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Map reference SH 481 533
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


E30765

Cross Polarized, E30765

Plane Polarized, E30765

Plane Polarized, E30765