BGS mineralogy and petrology collection record

Sample number E41764; E41764/A; COLLNOLA12;
Sample Donor Allen,P.M.
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments 8'' Discordant intrusive
Locality details Srtream below Pont y Gain
50k map sheet Harlech (135)

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Map reference SH 7510 3273
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


E41764

Cross Polarized, E41764

Plane Polarized, E41764

Plane Polarized, E41764


E41764/A

Cross Polarized, E41764/A

Plane Polarized, E41764/A

Plane Polarized, E41764/A