BGS mineralogy and petrology collection record

Sample number E46357; COLLNOBP60;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Dolerite sill cutting Ordovician
Locality details Crags, 680 m at 349 deg from Blaen Lliw Isaf
50k map sheet Harlech (135)

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Map reference SH 8045 3414
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


E46357

Cross Polarized, E46357

Plane Polarized, E46357

Plane Polarized, E46357