BGS mineralogy and petrology collection record

Sample number E9186
Sample Donor Greenly,E.
Rock name 'Original entry: Grit In Hornfels'
Stratigraphy Not entered
Comments Not entered
Locality details E.of Llyn Mawr Qtzite,in hs-700ft. S.of "160" South Base (925)
50k map sheet Holyhead (93)

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Map reference SH 378 762
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


E9186

Cross Polarized, E9186

Plane Polarized, E9186

Plane Polarized, E9186