BGS mineralogy and petrology collection record

Sample number E46337; COLLNOBP40;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments Blocky Lava, Ordovician
Locality details Crag above river, 760 m at 088 deg from Allt Lwyd
50k map sheet Harlech (135)

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Map reference SH 8051 2893
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


E46337

Cross Polarized, E46337

Plane Polarized, E46337

Plane Polarized, E46337