BGS mineralogy and petrology collection record

Sample number E46340; COLLNOBP43;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments Lava, Ordovician
Locality details Steep crag, 470 m at 330 deg from Benglog
50k map sheet Harlech (135)

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Map reference SH 8030 2398
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


E46340

Cross Polarized, E46340

Plane Polarized, E46340

Plane Polarized, E46340