BGS mineralogy and petrology collection record

Sample number E4398; COLLNO25;
Sample Donor Thomas, Dr.
Rock name 'Original entry: Andesitic Tuff'
Stratigraphy Not entered
Comments Not entered
Locality details Crag above river, 1/3 mile E. of S. of Tregarn, 200 Yds. N. of Pont Landon.
50k map sheet Fishguard (210)

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Map reference SM 960 228
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


E4398

Cross Polarized, E4398

Plane Polarized, E4398

Plane Polarized, E4398