BGS mineralogy and petrology collection record

Sample number E9878; COLLNO90;
Sample Donor Greenly,E.
Rock name 'Original entry: Jasper'
Stratigraphy Not entered
Comments Mona Complex. See Anglesey Memoir.p.357. Sub. Spherulitic.
Locality details Bryn-hyrddyn
50k map sheet Llandudno (94)

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Map reference SH 538 796
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


E9878

Cross Polarized, E9878

Plane Polarized, E9878

Plane Polarized, E9878