BGS mineralogy and petrology collection record

Sample number E45889; COLLNOLA272;
Sample Donor Allen,P.M.
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments Extrusive
Locality details 250 yds NE of Garth Maelan
50k map sheet Harlech (135)

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Map reference SH 7447 1906
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


E45889

Cross Polarized, E45889

Plane Polarized, E45889

Plane Polarized, E45889