BGS mineralogy and petrology collection record

Sample number E14369; COLLNOMYDD C3;
Sample Donor Matley, C.A
Rock name 'Original entry: Diorite Porphyrite'
Stratigraphy Not entered
Comments Basic dyke (?) in granite.
Locality details Trig. station, Crag above Myllionydd Farmhouse.
50k map sheet Aberdaron and Bardsey Island (133)

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Map reference
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


E14369

Cross Polarized, E14369

Plane Polarized, E14369

Plane Polarized, E14369