BGS mineralogy and petrology collection record

Sample number E46315; COLLNOBP17;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Dolerite intrusion in ? Tremadoc Shales
Locality details Small feature exposure, 460 m at 295 deg from Blaenau
50k map sheet Harlech (135)

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Map reference SH 7886 2293
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


E46315

Cross Polarized, E46315

Plane Polarized, E46315

Plane Polarized, E46315