BGS mineralogy and petrology collection record

Sample number E46321; COLLNOBP23;
Sample Donor Lowe,D.J.
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments ? Lava in Llanvin Shales
Locality details Exposure, 510 m at 083 deg from Caer Defaid
50k map sheet Harlech (135)

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Map reference SH 7992 2359
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


E46321

Cross Polarized, E46321

Plane Polarized, E46321

Plane Polarized, E46321