BGS mineralogy and petrology collection record

Sample number E24176; COLLNO29A;
Sample Donor Eyles,V.A.
Rock name 'Original entry: Fine Grained Tuff Or Rhyolite'
Stratigraphy Not entered
Comments ?Rhyolite. Fine grained
Locality details No.7 Borehole, Llanwyrst. 330 yds. S13W of Old Shafts, New Pandora Lead Mine
50k map sheet Bangor (106)

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Map reference SH 767 601
Year collected Not entered 
Bore name Llanwyrst No.7
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E24176

Cross Polarized, E24176

Plane Polarized, E24176

Plane Polarized, E24176