BGS mineralogy and petrology collection record

Sample number E30767; COLLNOKC1147;
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, 130 Yds. at 160 deg from Clogwyn.
50k map sheet Nefyn (118)

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Map reference SH 482 533
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


E30767

Cross Polarized, E30767

Plane Polarized, E30767

Plane Polarized, E30767