BGS mineralogy and petrology collection record

Sample number E6056; COLLNO3;
Sample Donor Greenly,E.
Rock name 'Original entry: Ophitic Dolerite (Some Biotite)'
Stratigraphy Not entered
Comments Palaeozoic Intrusive. See Anglesey Memoir.p.520
Locality details Hill top E.of 500' Mynydd Llwydiarth
50k map sheet Llandudno (94)

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Map reference SH 546 792
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


E6056

Cross Polarized, E6056

Plane Polarized, E6056

Plane Polarized, E6056