BGS mineralogy and petrology collection record

Sample number E46328; COLLNOBP30;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Dolerite, Ordovician
Locality details Small Crag, 1420 m at 003 deg from Bridge over Nant Hir
50k map sheet Harlech (135)

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Map reference SH 7925 3242
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


E46328

Cross Polarized, E46328

Plane Polarized, E46328

Plane Polarized, E46328