BGS mineralogy and petrology collection record

Sample number E46353; COLLNOBP56;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Dolerite, thin sill in Ffestiniog Flags
Locality details Exposure, 570 m at 193 deg from Summit Foel Boeth
50k map sheet Harlech (135)

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Map reference SH 7783 3359
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


E46353

Cross Polarized, E46353

Plane Polarized, E46353

Plane Polarized, E46353