BGS mineralogy and petrology collection record

Sample number E10303; COLLNO515;
Sample Donor Greenly,E.
Rock name 'Original entry: Chert'
Stratigraphy Not entered
Comments Boulder
Locality details Shore near Llan-facheaeth
50k map sheet Holyhead (93)

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Map reference SH 259 818
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


E10303

Cross Polarized, E10303

Plane Polarized, E10303

Plane Polarized, E10303